Home / 2,277.24-3,142.60-1,380.68

Finding the Fourth Proportional to 2,277.24, 3,142.60 and 1,380.68

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Solution

The fourth proportional to 2,277.24, 3,142.60 and 1,380.68 is: 1,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.24 : 3,142.60 = 1,380.68 : x
  2. Step 2: Convert to fraction form
    2,277.24/3,142.60 = 1,380.68/x
  3. Step 3: Cross multiply
    2,277.24x = 3,142.60 × 1,380.68
  4. Step 4: Simplify right side
    2,277.24x = 4,338,924.97
  5. Step 5: Solve for x
    x = 4,338,924.97/2,277.24
  6. Step 6: Final answer
    x = 1,905.34

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,278.24, 3,143.98 and 1,381.68
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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.