Home / 2,265.14-3,126.18-1,380.92

Finding the Fourth Proportional to 2,265.14, 3,126.18 and 1,380.92

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Solution

The fourth proportional to 2,265.14, 3,126.18 and 1,380.92 is: 1,905.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.14 : 3,126.18 = 1,380.92 : x
  2. Step 2: Convert to fraction form
    2,265.14/3,126.18 = 1,380.92/x
  3. Step 3: Cross multiply
    2,265.14x = 3,126.18 × 1,380.92
  4. Step 4: Simplify right side
    2,265.14x = 4,317,004.49
  5. Step 5: Solve for x
    x = 4,317,004.49/2,265.14
  6. Step 6: Final answer
    x = 1,905.84

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,266.14, 3,127.56 and 1,381.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.