Home / 2,187.16-3,278.46-1,592.74

Finding the Fourth Proportional to 2,187.16, 3,278.46 and 1,592.74

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Solution

The fourth proportional to 2,187.16, 3,278.46 and 1,592.74 is: 2,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.16 : 3,278.46 = 1,592.74 : x
  2. Step 2: Convert to fraction form
    2,187.16/3,278.46 = 1,592.74/x
  3. Step 3: Cross multiply
    2,187.16x = 3,278.46 × 1,592.74
  4. Step 4: Simplify right side
    2,187.16x = 5,221,734.38
  5. Step 5: Solve for x
    x = 5,221,734.38/2,187.16
  6. Step 6: Final answer
    x = 2,387.45

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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.