Home / 3,666.38-5,495.45-1,818.82

Finding the Fourth Proportional to 3,666.38, 5,495.45 and 1,818.82

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Solution

The fourth proportional to 3,666.38, 5,495.45 and 1,818.82 is: 2,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.38 : 5,495.45 = 1,818.82 : x
  2. Step 2: Convert to fraction form
    3,666.38/5,495.45 = 1,818.82/x
  3. Step 3: Cross multiply
    3,666.38x = 5,495.45 × 1,818.82
  4. Step 4: Simplify right side
    3,666.38x = 9,995,232.14
  5. Step 5: Solve for x
    x = 9,995,232.14/3,666.38
  6. Step 6: Final answer
    x = 2,726.19

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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.