Home / 3,565.12-5,347.24-1,099.92

Finding the Fourth Proportional to 3,565.12, 5,347.24 and 1,099.92

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Solution

The fourth proportional to 3,565.12, 5,347.24 and 1,099.92 is: 1,649.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.12 : 5,347.24 = 1,099.92 : x
  2. Step 2: Convert to fraction form
    3,565.12/5,347.24 = 1,099.92/x
  3. Step 3: Cross multiply
    3,565.12x = 5,347.24 × 1,099.92
  4. Step 4: Simplify right side
    3,565.12x = 5,881,536.22
  5. Step 5: Solve for x
    x = 5,881,536.22/3,565.12
  6. Step 6: Final answer
    x = 1,649.74

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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.