Home / 3,531.80-5,298.20-1,066.34

Finding the Fourth Proportional to 3,531.80, 5,298.20 and 1,066.34

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Solution

The fourth proportional to 3,531.80, 5,298.20 and 1,066.34 is: 1,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.80 : 5,298.20 = 1,066.34 : x
  2. Step 2: Convert to fraction form
    3,531.80/5,298.20 = 1,066.34/x
  3. Step 3: Cross multiply
    3,531.80x = 5,298.20 × 1,066.34
  4. Step 4: Simplify right side
    3,531.80x = 5,649,650.77
  5. Step 5: Solve for x
    x = 5,649,650.77/3,531.80
  6. Step 6: Final answer
    x = 1,599.65

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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.