Home / 3,031.08-4,539.78-2,102.46

Finding the Fourth Proportional to 3,031.08, 4,539.78 and 2,102.46

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Solution

The fourth proportional to 3,031.08, 4,539.78 and 2,102.46 is: 3,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.08 : 4,539.78 = 2,102.46 : x
  2. Step 2: Convert to fraction form
    3,031.08/4,539.78 = 2,102.46/x
  3. Step 3: Cross multiply
    3,031.08x = 4,539.78 × 2,102.46
  4. Step 4: Simplify right side
    3,031.08x = 9,544,705.86
  5. Step 5: Solve for x
    x = 9,544,705.86/3,031.08
  6. Step 6: Final answer
    x = 3,148.95

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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.