Home / 2,823.28-4,234.72-1,158.12

Finding the Fourth Proportional to 2,823.28, 4,234.72 and 1,158.12

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Solution

The fourth proportional to 2,823.28, 4,234.72 and 1,158.12 is: 1,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.28 : 4,234.72 = 1,158.12 : x
  2. Step 2: Convert to fraction form
    2,823.28/4,234.72 = 1,158.12/x
  3. Step 3: Cross multiply
    2,823.28x = 4,234.72 × 1,158.12
  4. Step 4: Simplify right side
    2,823.28x = 4,904,313.93
  5. Step 5: Solve for x
    x = 4,904,313.93/2,823.28
  6. Step 6: Final answer
    x = 1,737.10

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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.