Home / 3,612.98-5,420.68-1,532.90

Finding the Fourth Proportional to 3,612.98, 5,420.68 and 1,532.90

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Solution

The fourth proportional to 3,612.98, 5,420.68 and 1,532.90 is: 2,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.98 : 5,420.68 = 1,532.90 : x
  2. Step 2: Convert to fraction form
    3,612.98/5,420.68 = 1,532.90/x
  3. Step 3: Cross multiply
    3,612.98x = 5,420.68 × 1,532.90
  4. Step 4: Simplify right side
    3,612.98x = 8,309,360.37
  5. Step 5: Solve for x
    x = 8,309,360.37/3,612.98
  6. Step 6: Final answer
    x = 2,299.86

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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.