Home / 2,199.14-3,034.79-1,254.91

Finding the Fourth Proportional to 2,199.14, 3,034.79 and 1,254.91

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Solution

The fourth proportional to 2,199.14, 3,034.79 and 1,254.91 is: 1,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.14 : 3,034.79 = 1,254.91 : x
  2. Step 2: Convert to fraction form
    2,199.14/3,034.79 = 1,254.91/x
  3. Step 3: Cross multiply
    2,199.14x = 3,034.79 × 1,254.91
  4. Step 4: Simplify right side
    2,199.14x = 3,808,388.32
  5. Step 5: Solve for x
    x = 3,808,388.32/2,199.14
  6. Step 6: Final answer
    x = 1,731.76

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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.