Home / 1,535.26-2,302.90-916.75

Finding the Fourth Proportional to 1,535.26, 2,302.90 and 916.75

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Solution

The fourth proportional to 1,535.26, 2,302.90 and 916.75 is: 1,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.26 : 2,302.90 = 916.75 : x
  2. Step 2: Convert to fraction form
    1,535.26/2,302.90 = 916.75/x
  3. Step 3: Cross multiply
    1,535.26x = 2,302.90 × 916.75
  4. Step 4: Simplify right side
    1,535.26x = 2,111,167.48
  5. Step 5: Solve for x
    x = 2,111,167.48/1,535.26
  6. Step 6: Final answer
    x = 1,375.12

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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.