Home / 2,705.10-4,033.90-2,680.46

Finding the Fourth Proportional to 2,705.10, 4,033.90 and 2,680.46

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Solution

The fourth proportional to 2,705.10, 4,033.90 and 2,680.46 is: 3,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.10 : 4,033.90 = 2,680.46 : x
  2. Step 2: Convert to fraction form
    2,705.10/4,033.90 = 2,680.46/x
  3. Step 3: Cross multiply
    2,705.10x = 4,033.90 × 2,680.46
  4. Step 4: Simplify right side
    2,705.10x = 10,812,707.59
  5. Step 5: Solve for x
    x = 10,812,707.59/2,705.10
  6. Step 6: Final answer
    x = 3,997.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.