Home / 1,340.08-2,010.25-462.55

Finding the Fourth Proportional to 1,340.08, 2,010.25 and 462.55

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Solution

The fourth proportional to 1,340.08, 2,010.25 and 462.55 is: 693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.08 : 2,010.25 = 462.55 : x
  2. Step 2: Convert to fraction form
    1,340.08/2,010.25 = 462.55/x
  3. Step 3: Cross multiply
    1,340.08x = 2,010.25 × 462.55
  4. Step 4: Simplify right side
    1,340.08x = 929,841.14
  5. Step 5: Solve for x
    x = 929,841.14/1,340.08
  6. Step 6: Final answer
    x = 693.87

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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.