Home / 1,929.92-2,657.49-1,744.70

Finding the Fourth Proportional to 1,929.92, 2,657.49 and 1,744.70

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Solution

The fourth proportional to 1,929.92, 2,657.49 and 1,744.70 is: 2,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.92 : 2,657.49 = 1,744.70 : x
  2. Step 2: Convert to fraction form
    1,929.92/2,657.49 = 1,744.70/x
  3. Step 3: Cross multiply
    1,929.92x = 2,657.49 × 1,744.70
  4. Step 4: Simplify right side
    1,929.92x = 4,636,522.80
  5. Step 5: Solve for x
    x = 4,636,522.80/1,929.92
  6. Step 6: Final answer
    x = 2,402.44

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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.