Home / 2,999.40-4,136.02-2,581.17

Finding the Fourth Proportional to 2,999.40, 4,136.02 and 2,581.17

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Solution

The fourth proportional to 2,999.40, 4,136.02 and 2,581.17 is: 3,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.40 : 4,136.02 = 2,581.17 : x
  2. Step 2: Convert to fraction form
    2,999.40/4,136.02 = 2,581.17/x
  3. Step 3: Cross multiply
    2,999.40x = 4,136.02 × 2,581.17
  4. Step 4: Simplify right side
    2,999.40x = 10,675,770.74
  5. Step 5: Solve for x
    x = 10,675,770.74/2,999.40
  6. Step 6: Final answer
    x = 3,559.30

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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.