Home / 3,460.12-5,200.31-2,878.95

Finding the Fourth Proportional to 3,460.12, 5,200.31 and 2,878.95

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Solution

The fourth proportional to 3,460.12, 5,200.31 and 2,878.95 is: 4,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.12 : 5,200.31 = 2,878.95 : x
  2. Step 2: Convert to fraction form
    3,460.12/5,200.31 = 2,878.95/x
  3. Step 3: Cross multiply
    3,460.12x = 5,200.31 × 2,878.95
  4. Step 4: Simplify right side
    3,460.12x = 14,971,432.47
  5. Step 5: Solve for x
    x = 14,971,432.47/3,460.12
  6. Step 6: Final answer
    x = 4,326.85

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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.