Home / 1,265.20-1,898.51-1,010.32

Finding the Fourth Proportional to 1,265.20, 1,898.51 and 1,010.32

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Solution

The fourth proportional to 1,265.20, 1,898.51 and 1,010.32 is: 1,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.20 : 1,898.51 = 1,010.32 : x
  2. Step 2: Convert to fraction form
    1,265.20/1,898.51 = 1,010.32/x
  3. Step 3: Cross multiply
    1,265.20x = 1,898.51 × 1,010.32
  4. Step 4: Simplify right side
    1,265.20x = 1,918,095.66
  5. Step 5: Solve for x
    x = 1,918,095.66/1,265.20
  6. Step 6: Final answer
    x = 1,516.05

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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.