Home / 2,492.28-3,439.50-2,181.24

Finding the Fourth Proportional to 2,492.28, 3,439.50 and 2,181.24

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Solution

The fourth proportional to 2,492.28, 3,439.50 and 2,181.24 is: 3,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.28 : 3,439.50 = 2,181.24 : x
  2. Step 2: Convert to fraction form
    2,492.28/3,439.50 = 2,181.24/x
  3. Step 3: Cross multiply
    2,492.28x = 3,439.50 × 2,181.24
  4. Step 4: Simplify right side
    2,492.28x = 7,502,374.98
  5. Step 5: Solve for x
    x = 7,502,374.98/2,492.28
  6. Step 6: Final answer
    x = 3,010.25

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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.