Home / 2,800.28-4,200.08-951.36

Finding the Fourth Proportional to 2,800.28, 4,200.08 and 951.36

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Solution

The fourth proportional to 2,800.28, 4,200.08 and 951.36 is: 1,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.28 : 4,200.08 = 951.36 : x
  2. Step 2: Convert to fraction form
    2,800.28/4,200.08 = 951.36/x
  3. Step 3: Cross multiply
    2,800.28x = 4,200.08 × 951.36
  4. Step 4: Simplify right side
    2,800.28x = 3,995,788.11
  5. Step 5: Solve for x
    x = 3,995,788.11/2,800.28
  6. Step 6: Final answer
    x = 1,426.92

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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.