Home / 2,411.46-3,617.40-680.10

Finding the Fourth Proportional to 2,411.46, 3,617.40 and 680.10

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Solution

The fourth proportional to 2,411.46, 3,617.40 and 680.10 is: 1,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.46 : 3,617.40 = 680.10 : x
  2. Step 2: Convert to fraction form
    2,411.46/3,617.40 = 680.10/x
  3. Step 3: Cross multiply
    2,411.46x = 3,617.40 × 680.10
  4. Step 4: Simplify right side
    2,411.46x = 2,460,193.74
  5. Step 5: Solve for x
    x = 2,460,193.74/2,411.46
  6. Step 6: Final answer
    x = 1,020.21

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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.