Home / 3,643.08-5,463.45-1,177.39

Finding the Fourth Proportional to 3,643.08, 5,463.45 and 1,177.39

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Solution

The fourth proportional to 3,643.08, 5,463.45 and 1,177.39 is: 1,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.08 : 5,463.45 = 1,177.39 : x
  2. Step 2: Convert to fraction form
    3,643.08/5,463.45 = 1,177.39/x
  3. Step 3: Cross multiply
    3,643.08x = 5,463.45 × 1,177.39
  4. Step 4: Simplify right side
    3,643.08x = 6,432,587.49
  5. Step 5: Solve for x
    x = 6,432,587.49/3,643.08
  6. Step 6: Final answer
    x = 1,765.70

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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.