Home / 1,623.26-2,434.34-527.35

Finding the Fourth Proportional to 1,623.26, 2,434.34 and 527.35

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Solution

The fourth proportional to 1,623.26, 2,434.34 and 527.35 is: 790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.26 : 2,434.34 = 527.35 : x
  2. Step 2: Convert to fraction form
    1,623.26/2,434.34 = 527.35/x
  3. Step 3: Cross multiply
    1,623.26x = 2,434.34 × 527.35
  4. Step 4: Simplify right side
    1,623.26x = 1,283,753.97
  5. Step 5: Solve for x
    x = 1,283,753.97/1,623.26
  6. Step 6: Final answer
    x = 790.85

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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.