Home / 3,178.24-4,766.45-1,098.16

Finding the Fourth Proportional to 3,178.24, 4,766.45 and 1,098.16

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Solution

The fourth proportional to 3,178.24, 4,766.45 and 1,098.16 is: 1,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.24 : 4,766.45 = 1,098.16 : x
  2. Step 2: Convert to fraction form
    3,178.24/4,766.45 = 1,098.16/x
  3. Step 3: Cross multiply
    3,178.24x = 4,766.45 × 1,098.16
  4. Step 4: Simplify right side
    3,178.24x = 5,234,307.33
  5. Step 5: Solve for x
    x = 5,234,307.33/3,178.24
  6. Step 6: Final answer
    x = 1,646.92

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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.