Home / 1,589.67-2,386.13-1,127.97

Finding the Fourth Proportional to 1,589.67, 2,386.13 and 1,127.97

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Solution

The fourth proportional to 1,589.67, 2,386.13 and 1,127.97 is: 1,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.67 : 2,386.13 = 1,127.97 : x
  2. Step 2: Convert to fraction form
    1,589.67/2,386.13 = 1,127.97/x
  3. Step 3: Cross multiply
    1,589.67x = 2,386.13 × 1,127.97
  4. Step 4: Simplify right side
    1,589.67x = 2,691,477.42
  5. Step 5: Solve for x
    x = 2,691,477.42/1,589.67
  6. Step 6: Final answer
    x = 1,693.10

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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.