Home / 2,711.02-4,064.47-2,162.90

Finding the Fourth Proportional to 2,711.02, 4,064.47 and 2,162.90

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Solution

The fourth proportional to 2,711.02, 4,064.47 and 2,162.90 is: 3,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.02 : 4,064.47 = 2,162.90 : x
  2. Step 2: Convert to fraction form
    2,711.02/4,064.47 = 2,162.90/x
  3. Step 3: Cross multiply
    2,711.02x = 4,064.47 × 2,162.90
  4. Step 4: Simplify right side
    2,711.02x = 8,791,021.84
  5. Step 5: Solve for x
    x = 8,791,021.84/2,711.02
  6. Step 6: Final answer
    x = 3,242.70

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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.