Home / 1,531.30-2,298.57-1,453.54

Finding the Fourth Proportional to 1,531.30, 2,298.57 and 1,453.54

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Solution

The fourth proportional to 1,531.30, 2,298.57 and 1,453.54 is: 2,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.30 : 2,298.57 = 1,453.54 : x
  2. Step 2: Convert to fraction form
    1,531.30/2,298.57 = 1,453.54/x
  3. Step 3: Cross multiply
    1,531.30x = 2,298.57 × 1,453.54
  4. Step 4: Simplify right side
    1,531.30x = 3,341,063.44
  5. Step 5: Solve for x
    x = 3,341,063.44/1,531.30
  6. Step 6: Final answer
    x = 2,181.85

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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.