Home / 2,160.12-3,234.56-1,812.60

Finding the Fourth Proportional to 2,160.12, 3,234.56 and 1,812.60

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Solution

The fourth proportional to 2,160.12, 3,234.56 and 1,812.60 is: 2,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.12 : 3,234.56 = 1,812.60 : x
  2. Step 2: Convert to fraction form
    2,160.12/3,234.56 = 1,812.60/x
  3. Step 3: Cross multiply
    2,160.12x = 3,234.56 × 1,812.60
  4. Step 4: Simplify right side
    2,160.12x = 5,862,963.46
  5. Step 5: Solve for x
    x = 5,862,963.46/2,160.12
  6. Step 6: Final answer
    x = 2,714.18

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1.5x scale

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.