Home / 3,642.30-5,464.05-1,177.74

Finding the Fourth Proportional to 3,642.30, 5,464.05 and 1,177.74

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Solution

The fourth proportional to 3,642.30, 5,464.05 and 1,177.74 is: 1,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.30 : 5,464.05 = 1,177.74 : x
  2. Step 2: Convert to fraction form
    3,642.30/5,464.05 = 1,177.74/x
  3. Step 3: Cross multiply
    3,642.30x = 5,464.05 × 1,177.74
  4. Step 4: Simplify right side
    3,642.30x = 6,435,230.25
  5. Step 5: Solve for x
    x = 6,435,230.25/3,642.30
  6. Step 6: Final answer
    x = 1,766.80

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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.