Home / 3,240.31-4,473.78-2,492.95

Finding the Fourth Proportional to 3,240.31, 4,473.78 and 2,492.95

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Solution

The fourth proportional to 3,240.31, 4,473.78 and 2,492.95 is: 3,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.31 : 4,473.78 = 2,492.95 : x
  2. Step 2: Convert to fraction form
    3,240.31/4,473.78 = 2,492.95/x
  3. Step 3: Cross multiply
    3,240.31x = 4,473.78 × 2,492.95
  4. Step 4: Simplify right side
    3,240.31x = 11,152,889.32
  5. Step 5: Solve for x
    x = 11,152,889.32/3,240.31
  6. Step 6: Final answer
    x = 3,441.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.