Home / 1,731.92-2,389.25-1,023.30

Finding the Fourth Proportional to 1,731.92, 2,389.25 and 1,023.30

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Solution

The fourth proportional to 1,731.92, 2,389.25 and 1,023.30 is: 1,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.92 : 2,389.25 = 1,023.30 : x
  2. Step 2: Convert to fraction form
    1,731.92/2,389.25 = 1,023.30/x
  3. Step 3: Cross multiply
    1,731.92x = 2,389.25 × 1,023.30
  4. Step 4: Simplify right side
    1,731.92x = 2,444,914.41
  5. Step 5: Solve for x
    x = 2,444,914.41/1,731.92
  6. Step 6: Final answer
    x = 1,411.68

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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.