Home / 2,551.32-3,523.29-2,198.70

Finding the Fourth Proportional to 2,551.32, 3,523.29 and 2,198.70

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Solution

The fourth proportional to 2,551.32, 3,523.29 and 2,198.70 is: 3,036.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.32 : 3,523.29 = 2,198.70 : x
  2. Step 2: Convert to fraction form
    2,551.32/3,523.29 = 2,198.70/x
  3. Step 3: Cross multiply
    2,551.32x = 3,523.29 × 2,198.70
  4. Step 4: Simplify right side
    2,551.32x = 7,746,657.72
  5. Step 5: Solve for x
    x = 7,746,657.72/2,551.32
  6. Step 6: Final answer
    x = 3,036.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.