Home / 1,589.25-2,384.40-615.36

Finding the Fourth Proportional to 1,589.25, 2,384.40 and 615.36

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Solution

The fourth proportional to 1,589.25, 2,384.40 and 615.36 is: 923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.25 : 2,384.40 = 615.36 : x
  2. Step 2: Convert to fraction form
    1,589.25/2,384.40 = 615.36/x
  3. Step 3: Cross multiply
    1,589.25x = 2,384.40 × 615.36
  4. Step 4: Simplify right side
    1,589.25x = 1,467,264.38
  5. Step 5: Solve for x
    x = 1,467,264.38/1,589.25
  6. Step 6: Final answer
    x = 923.24

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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.