Home / 3,656.31-5,484.45-1,191.12

Finding the Fourth Proportional to 3,656.31, 5,484.45 and 1,191.12

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Solution

The fourth proportional to 3,656.31, 5,484.45 and 1,191.12 is: 1,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.31 : 5,484.45 = 1,191.12 : x
  2. Step 2: Convert to fraction form
    3,656.31/5,484.45 = 1,191.12/x
  3. Step 3: Cross multiply
    3,656.31x = 5,484.45 × 1,191.12
  4. Step 4: Simplify right side
    3,656.31x = 6,532,663.12
  5. Step 5: Solve for x
    x = 6,532,663.12/3,656.31
  6. Step 6: Final answer
    x = 1,786.68

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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.