Home / 2,711.16-4,062.24-1,981.08

Finding the Fourth Proportional to 2,711.16, 4,062.24 and 1,981.08

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Solution

The fourth proportional to 2,711.16, 4,062.24 and 1,981.08 is: 2,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.16 : 4,062.24 = 1,981.08 : x
  2. Step 2: Convert to fraction form
    2,711.16/4,062.24 = 1,981.08/x
  3. Step 3: Cross multiply
    2,711.16x = 4,062.24 × 1,981.08
  4. Step 4: Simplify right side
    2,711.16x = 8,047,622.42
  5. Step 5: Solve for x
    x = 8,047,622.42/2,711.16
  6. Step 6: Final answer
    x = 2,968.33

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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.