Home / 2,152.74-3,229.19-1,808.29

Finding the Fourth Proportional to 2,152.74, 3,229.19 and 1,808.29

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Solution

The fourth proportional to 2,152.74, 3,229.19 and 1,808.29 is: 2,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.74 : 3,229.19 = 1,808.29 : x
  2. Step 2: Convert to fraction form
    2,152.74/3,229.19 = 1,808.29/x
  3. Step 3: Cross multiply
    2,152.74x = 3,229.19 × 1,808.29
  4. Step 4: Simplify right side
    2,152.74x = 5,839,313.76
  5. Step 5: Solve for x
    x = 5,839,313.76/2,152.74
  6. Step 6: Final answer
    x = 2,712.50

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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.