Home / 1,642.29-2,459.01-1,024.76

Finding the Fourth Proportional to 1,642.29, 2,459.01 and 1,024.76

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Solution

The fourth proportional to 1,642.29, 2,459.01 and 1,024.76 is: 1,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.29 : 2,459.01 = 1,024.76 : x
  2. Step 2: Convert to fraction form
    1,642.29/2,459.01 = 1,024.76/x
  3. Step 3: Cross multiply
    1,642.29x = 2,459.01 × 1,024.76
  4. Step 4: Simplify right side
    1,642.29x = 2,519,895.09
  5. Step 5: Solve for x
    x = 2,519,895.09/1,642.29
  6. Step 6: Final answer
    x = 1,534.38

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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.