Home / 3,610.85-5,412.06-1,530.15

Finding the Fourth Proportional to 3,610.85, 5,412.06 and 1,530.15

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Solution

The fourth proportional to 3,610.85, 5,412.06 and 1,530.15 is: 2,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.85 : 5,412.06 = 1,530.15 : x
  2. Step 2: Convert to fraction form
    3,610.85/5,412.06 = 1,530.15/x
  3. Step 3: Cross multiply
    3,610.85x = 5,412.06 × 1,530.15
  4. Step 4: Simplify right side
    3,610.85x = 8,281,263.61
  5. Step 5: Solve for x
    x = 8,281,263.61/3,610.85
  6. Step 6: Final answer
    x = 2,293.44

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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.