Home / 3,168.10-4,752.15-3,124.90

Finding the Fourth Proportional to 3,168.10, 4,752.15 and 3,124.90

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Solution

The fourth proportional to 3,168.10, 4,752.15 and 3,124.90 is: 4,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.10 : 4,752.15 = 3,124.90 : x
  2. Step 2: Convert to fraction form
    3,168.10/4,752.15 = 3,124.90/x
  3. Step 3: Cross multiply
    3,168.10x = 4,752.15 × 3,124.90
  4. Step 4: Simplify right side
    3,168.10x = 14,849,993.54
  5. Step 5: Solve for x
    x = 14,849,993.54/3,168.10
  6. Step 6: Final answer
    x = 4,687.35

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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.