Home / 1,588.31-2,382.50-434.06

Finding the Fourth Proportional to 1,588.31, 2,382.50 and 434.06

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Solution

The fourth proportional to 1,588.31, 2,382.50 and 434.06 is: 651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.31 : 2,382.50 = 434.06 : x
  2. Step 2: Convert to fraction form
    1,588.31/2,382.50 = 434.06/x
  3. Step 3: Cross multiply
    1,588.31x = 2,382.50 × 434.06
  4. Step 4: Simplify right side
    1,588.31x = 1,034,147.95
  5. Step 5: Solve for x
    x = 1,034,147.95/1,588.31
  6. Step 6: Final answer
    x = 651.10

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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.