Home / 2,681.02-4,023.49-2,660.66

Finding the Fourth Proportional to 2,681.02, 4,023.49 and 2,660.66

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Solution

The fourth proportional to 2,681.02, 4,023.49 and 2,660.66 is: 3,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.02 : 4,023.49 = 2,660.66 : x
  2. Step 2: Convert to fraction form
    2,681.02/4,023.49 = 2,660.66/x
  3. Step 3: Cross multiply
    2,681.02x = 4,023.49 × 2,660.66
  4. Step 4: Simplify right side
    2,681.02x = 10,705,138.90
  5. Step 5: Solve for x
    x = 10,705,138.90/2,681.02
  6. Step 6: Final answer
    x = 3,992.94

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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.