Home / 3,377.80-5,066.68-1,187.15

Finding the Fourth Proportional to 3,377.80, 5,066.68 and 1,187.15

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Solution

The fourth proportional to 3,377.80, 5,066.68 and 1,187.15 is: 1,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.80 : 5,066.68 = 1,187.15 : x
  2. Step 2: Convert to fraction form
    3,377.80/5,066.68 = 1,187.15/x
  3. Step 3: Cross multiply
    3,377.80x = 5,066.68 × 1,187.15
  4. Step 4: Simplify right side
    3,377.80x = 6,014,909.16
  5. Step 5: Solve for x
    x = 6,014,909.16/3,377.80
  6. Step 6: Final answer
    x = 1,780.72

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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.