Home / 2,311.28-3,468.76-2,037.92

Finding the Fourth Proportional to 2,311.28, 3,468.76 and 2,037.92

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Solution

The fourth proportional to 2,311.28, 3,468.76 and 2,037.92 is: 3,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.28 : 3,468.76 = 2,037.92 : x
  2. Step 2: Convert to fraction form
    2,311.28/3,468.76 = 2,037.92/x
  3. Step 3: Cross multiply
    2,311.28x = 3,468.76 × 2,037.92
  4. Step 4: Simplify right side
    2,311.28x = 7,069,055.38
  5. Step 5: Solve for x
    x = 7,069,055.38/2,311.28
  6. Step 6: Final answer
    x = 3,058.50

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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.