Home / 1,592.47-2,386.05-1,127.95

Finding the Fourth Proportional to 1,592.47, 2,386.05 and 1,127.95

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Solution

The fourth proportional to 1,592.47, 2,386.05 and 1,127.95 is: 1,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.47 : 2,386.05 = 1,127.95 : x
  2. Step 2: Convert to fraction form
    1,592.47/2,386.05 = 1,127.95/x
  3. Step 3: Cross multiply
    1,592.47x = 2,386.05 × 1,127.95
  4. Step 4: Simplify right side
    1,592.47x = 2,691,345.10
  5. Step 5: Solve for x
    x = 2,691,345.10/1,592.47
  6. Step 6: Final answer
    x = 1,690.04

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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.