Home / 3,267.65-4,900.19-1,187.30

Finding the Fourth Proportional to 3,267.65, 4,900.19 and 1,187.30

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Solution

The fourth proportional to 3,267.65, 4,900.19 and 1,187.30 is: 1,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.65 : 4,900.19 = 1,187.30 : x
  2. Step 2: Convert to fraction form
    3,267.65/4,900.19 = 1,187.30/x
  3. Step 3: Cross multiply
    3,267.65x = 4,900.19 × 1,187.30
  4. Step 4: Simplify right side
    3,267.65x = 5,817,965.15
  5. Step 5: Solve for x
    x = 5,817,965.15/3,267.65
  6. Step 6: Final answer
    x = 1,780.48

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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.