Home / 2,265.31-3,126.35-1,270.76

Finding the Fourth Proportional to 2,265.31, 3,126.35 and 1,270.76

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Solution

The fourth proportional to 2,265.31, 3,126.35 and 1,270.76 is: 1,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.31 : 3,126.35 = 1,270.76 : x
  2. Step 2: Convert to fraction form
    2,265.31/3,126.35 = 1,270.76/x
  3. Step 3: Cross multiply
    2,265.31x = 3,126.35 × 1,270.76
  4. Step 4: Simplify right side
    2,265.31x = 3,972,834.17
  5. Step 5: Solve for x
    x = 3,972,834.17/2,265.31
  6. Step 6: Final answer
    x = 1,753.77

Related Problems

Find fourth proportional to 1,132.65, 1,563.17 and 635.38
Half scale
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Double scale
Find fourth proportional to 2,266.31, 3,127.73 and 1,271.76
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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.