Home / 3,152.57-4,720.23-2,418.71

Finding the Fourth Proportional to 3,152.57, 4,720.23 and 2,418.71

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Solution

The fourth proportional to 3,152.57, 4,720.23 and 2,418.71 is: 3,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.57 : 4,720.23 = 2,418.71 : x
  2. Step 2: Convert to fraction form
    3,152.57/4,720.23 = 2,418.71/x
  3. Step 3: Cross multiply
    3,152.57x = 4,720.23 × 2,418.71
  4. Step 4: Simplify right side
    3,152.57x = 11,416,843.90
  5. Step 5: Solve for x
    x = 11,416,843.90/3,152.57
  6. Step 6: Final answer
    x = 3,621.45

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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.