Home / 3,612.05-5,418.38-1,532.98

Finding the Fourth Proportional to 3,612.05, 5,418.38 and 1,532.98

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Solution

The fourth proportional to 3,612.05, 5,418.38 and 1,532.98 is: 2,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.05 : 5,418.38 = 1,532.98 : x
  2. Step 2: Convert to fraction form
    3,612.05/5,418.38 = 1,532.98/x
  3. Step 3: Cross multiply
    3,612.05x = 5,418.38 × 1,532.98
  4. Step 4: Simplify right side
    3,612.05x = 8,306,268.17
  5. Step 5: Solve for x
    x = 8,306,268.17/3,612.05
  6. Step 6: Final answer
    x = 2,299.60

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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.