Home / 3,666.42-5,059.80-2,175.12

Finding the Fourth Proportional to 3,666.42, 5,059.80 and 2,175.12

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Solution

The fourth proportional to 3,666.42, 5,059.80 and 2,175.12 is: 3,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.42 : 5,059.80 = 2,175.12 : x
  2. Step 2: Convert to fraction form
    3,666.42/5,059.80 = 2,175.12/x
  3. Step 3: Cross multiply
    3,666.42x = 5,059.80 × 2,175.12
  4. Step 4: Simplify right side
    3,666.42x = 11,005,672.18
  5. Step 5: Solve for x
    x = 11,005,672.18/3,666.42
  6. Step 6: Final answer
    x = 3,001.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.