Home / 2,199.11-3,034.50-1,254.92

Finding the Fourth Proportional to 2,199.11, 3,034.50 and 1,254.92

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Solution

The fourth proportional to 2,199.11, 3,034.50 and 1,254.92 is: 1,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.11 : 3,034.50 = 1,254.92 : x
  2. Step 2: Convert to fraction form
    2,199.11/3,034.50 = 1,254.92/x
  3. Step 3: Cross multiply
    2,199.11x = 3,034.50 × 1,254.92
  4. Step 4: Simplify right side
    2,199.11x = 3,808,054.74
  5. Step 5: Solve for x
    x = 3,808,054.74/2,199.11
  6. Step 6: Final answer
    x = 1,731.63

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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.