Home / 3,666.30-5,499.76-1,327.70

Finding the Fourth Proportional to 3,666.30, 5,499.76 and 1,327.70

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Solution

The fourth proportional to 3,666.30, 5,499.76 and 1,327.70 is: 1,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.30 : 5,499.76 = 1,327.70 : x
  2. Step 2: Convert to fraction form
    3,666.30/5,499.76 = 1,327.70/x
  3. Step 3: Cross multiply
    3,666.30x = 5,499.76 × 1,327.70
  4. Step 4: Simplify right side
    3,666.30x = 7,302,031.35
  5. Step 5: Solve for x
    x = 7,302,031.35/3,666.30
  6. Step 6: Final answer
    x = 1,991.66

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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.