Home / 3,621.71-5,432.22-1,156.10

Finding the Fourth Proportional to 3,621.71, 5,432.22 and 1,156.10

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Solution

The fourth proportional to 3,621.71, 5,432.22 and 1,156.10 is: 1,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.71 : 5,432.22 = 1,156.10 : x
  2. Step 2: Convert to fraction form
    3,621.71/5,432.22 = 1,156.10/x
  3. Step 3: Cross multiply
    3,621.71x = 5,432.22 × 1,156.10
  4. Step 4: Simplify right side
    3,621.71x = 6,280,162.38
  5. Step 5: Solve for x
    x = 6,280,162.38/3,621.71
  6. Step 6: Final answer
    x = 1,734.03

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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.