Home / 2,718.30-4,082.40-1,624.80

Finding the Fourth Proportional to 2,718.30, 4,082.40 and 1,624.80

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Solution

The fourth proportional to 2,718.30, 4,082.40 and 1,624.80 is: 2,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.30 : 4,082.40 = 1,624.80 : x
  2. Step 2: Convert to fraction form
    2,718.30/4,082.40 = 1,624.80/x
  3. Step 3: Cross multiply
    2,718.30x = 4,082.40 × 1,624.80
  4. Step 4: Simplify right side
    2,718.30x = 6,633,083.52
  5. Step 5: Solve for x
    x = 6,633,083.52/2,718.30
  6. Step 6: Final answer
    x = 2,440.16

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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.