Home / 2,265.10-3,125.96-1,270.35

Finding the Fourth Proportional to 2,265.10, 3,125.96 and 1,270.35

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Solution

The fourth proportional to 2,265.10, 3,125.96 and 1,270.35 is: 1,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.10 : 3,125.96 = 1,270.35 : x
  2. Step 2: Convert to fraction form
    2,265.10/3,125.96 = 1,270.35/x
  3. Step 3: Cross multiply
    2,265.10x = 3,125.96 × 1,270.35
  4. Step 4: Simplify right side
    2,265.10x = 3,971,061.70
  5. Step 5: Solve for x
    x = 3,971,061.70/2,265.10
  6. Step 6: Final answer
    x = 1,753.15

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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.