Home / 2,818.32-4,229.08-1,519.76

Finding the Fourth Proportional to 2,818.32, 4,229.08 and 1,519.76

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Solution

The fourth proportional to 2,818.32, 4,229.08 and 1,519.76 is: 2,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.32 : 4,229.08 = 1,519.76 : x
  2. Step 2: Convert to fraction form
    2,818.32/4,229.08 = 1,519.76/x
  3. Step 3: Cross multiply
    2,818.32x = 4,229.08 × 1,519.76
  4. Step 4: Simplify right side
    2,818.32x = 6,427,186.62
  5. Step 5: Solve for x
    x = 6,427,186.62/2,818.32
  6. Step 6: Final answer
    x = 2,280.50

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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.