Home / 1,753.17-2,419.37-1,007.08

Finding the Fourth Proportional to 1,753.17, 2,419.37 and 1,007.08

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Solution

The fourth proportional to 1,753.17, 2,419.37 and 1,007.08 is: 1,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.17 : 2,419.37 = 1,007.08 : x
  2. Step 2: Convert to fraction form
    1,753.17/2,419.37 = 1,007.08/x
  3. Step 3: Cross multiply
    1,753.17x = 2,419.37 × 1,007.08
  4. Step 4: Simplify right side
    1,753.17x = 2,436,489.56
  5. Step 5: Solve for x
    x = 2,436,489.56/1,753.17
  6. Step 6: Final answer
    x = 1,389.76

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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.