Home / 3,621.78-5,432.67-3,437.10

Finding the Fourth Proportional to 3,621.78, 5,432.67 and 3,437.10

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Solution

The fourth proportional to 3,621.78, 5,432.67 and 3,437.10 is: 5,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.78 : 5,432.67 = 3,437.10 : x
  2. Step 2: Convert to fraction form
    3,621.78/5,432.67 = 3,437.10/x
  3. Step 3: Cross multiply
    3,621.78x = 5,432.67 × 3,437.10
  4. Step 4: Simplify right side
    3,621.78x = 18,672,630.06
  5. Step 5: Solve for x
    x = 18,672,630.06/3,621.78
  6. Step 6: Final answer
    x = 5,155.65

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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.