Home / 4,020.16-5,549.76-2,528.80

Finding the Fourth Proportional to 4,020.16, 5,549.76 and 2,528.80

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Solution

The fourth proportional to 4,020.16, 5,549.76 and 2,528.80 is: 3,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.16 : 5,549.76 = 2,528.80 : x
  2. Step 2: Convert to fraction form
    4,020.16/5,549.76 = 2,528.80/x
  3. Step 3: Cross multiply
    4,020.16x = 5,549.76 × 2,528.80
  4. Step 4: Simplify right side
    4,020.16x = 14,034,233.09
  5. Step 5: Solve for x
    x = 14,034,233.09/4,020.16
  6. Step 6: Final answer
    x = 3,490.96

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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.