Home / 4,152.16-5,724.08-2,972.80

Finding the Fourth Proportional to 4,152.16, 5,724.08 and 2,972.80

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Solution

The fourth proportional to 4,152.16, 5,724.08 and 2,972.80 is: 4,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.16 : 5,724.08 = 2,972.80 : x
  2. Step 2: Convert to fraction form
    4,152.16/5,724.08 = 2,972.80/x
  3. Step 3: Cross multiply
    4,152.16x = 5,724.08 × 2,972.80
  4. Step 4: Simplify right side
    4,152.16x = 17,016,545.02
  5. Step 5: Solve for x
    x = 17,016,545.02/4,152.16
  6. Step 6: Final answer
    x = 4,098.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.