Home / 2,825.18-4,232.66-1,178.85

Finding the Fourth Proportional to 2,825.18, 4,232.66 and 1,178.85

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Solution

The fourth proportional to 2,825.18, 4,232.66 and 1,178.85 is: 1,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.18 : 4,232.66 = 1,178.85 : x
  2. Step 2: Convert to fraction form
    2,825.18/4,232.66 = 1,178.85/x
  3. Step 3: Cross multiply
    2,825.18x = 4,232.66 × 1,178.85
  4. Step 4: Simplify right side
    2,825.18x = 4,989,681.22
  5. Step 5: Solve for x
    x = 4,989,681.22/2,825.18
  6. Step 6: Final answer
    x = 1,766.15

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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.