Home / 1,748.43-2,411.79-1,127.43

Finding the Fourth Proportional to 1,748.43, 2,411.79 and 1,127.43

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Solution

The fourth proportional to 1,748.43, 2,411.79 and 1,127.43 is: 1,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.43 : 2,411.79 = 1,127.43 : x
  2. Step 2: Convert to fraction form
    1,748.43/2,411.79 = 1,127.43/x
  3. Step 3: Cross multiply
    1,748.43x = 2,411.79 × 1,127.43
  4. Step 4: Simplify right side
    1,748.43x = 2,719,124.40
  5. Step 5: Solve for x
    x = 2,719,124.40/1,748.43
  6. Step 6: Final answer
    x = 1,555.18

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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.