Home / 1,589.71-2,192.79-1,148.26

Finding the Fourth Proportional to 1,589.71, 2,192.79 and 1,148.26

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Solution

The fourth proportional to 1,589.71, 2,192.79 and 1,148.26 is: 1,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.71 : 2,192.79 = 1,148.26 : x
  2. Step 2: Convert to fraction form
    1,589.71/2,192.79 = 1,148.26/x
  3. Step 3: Cross multiply
    1,589.71x = 2,192.79 × 1,148.26
  4. Step 4: Simplify right side
    1,589.71x = 2,517,882.08
  5. Step 5: Solve for x
    x = 2,517,882.08/1,589.71
  6. Step 6: Final answer
    x = 1,583.87

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1.5x scale

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.