Home / 1,265.32-1,898.70-1,010.44

Finding the Fourth Proportional to 1,265.32, 1,898.70 and 1,010.44

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Solution

The fourth proportional to 1,265.32, 1,898.70 and 1,010.44 is: 1,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.32 : 1,898.70 = 1,010.44 : x
  2. Step 2: Convert to fraction form
    1,265.32/1,898.70 = 1,010.44/x
  3. Step 3: Cross multiply
    1,265.32x = 1,898.70 × 1,010.44
  4. Step 4: Simplify right side
    1,265.32x = 1,918,522.43
  5. Step 5: Solve for x
    x = 1,918,522.43/1,265.32
  6. Step 6: Final answer
    x = 1,516.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.