Home / 3,491.52-5,234.53-1,299.05

Finding the Fourth Proportional to 3,491.52, 5,234.53 and 1,299.05

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Solution

The fourth proportional to 3,491.52, 5,234.53 and 1,299.05 is: 1,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.52 : 5,234.53 = 1,299.05 : x
  2. Step 2: Convert to fraction form
    3,491.52/5,234.53 = 1,299.05/x
  3. Step 3: Cross multiply
    3,491.52x = 5,234.53 × 1,299.05
  4. Step 4: Simplify right side
    3,491.52x = 6,799,916.20
  5. Step 5: Solve for x
    x = 6,799,916.20/3,491.52
  6. Step 6: Final answer
    x = 1,947.55

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1.5x scale

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.