Home / 2,712.14-4,068.75-1,152.13

Finding the Fourth Proportional to 2,712.14, 4,068.75 and 1,152.13

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Solution

The fourth proportional to 2,712.14, 4,068.75 and 1,152.13 is: 1,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.14 : 4,068.75 = 1,152.13 : x
  2. Step 2: Convert to fraction form
    2,712.14/4,068.75 = 1,152.13/x
  3. Step 3: Cross multiply
    2,712.14x = 4,068.75 × 1,152.13
  4. Step 4: Simplify right side
    2,712.14x = 4,687,718.23
  5. Step 5: Solve for x
    x = 4,687,718.23/2,712.14
  6. Step 6: Final answer
    x = 1,728.42

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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.