Home / 2,296.28-3,438.96-1,254.72

Finding the Fourth Proportional to 2,296.28, 3,438.96 and 1,254.72

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Solution

The fourth proportional to 2,296.28, 3,438.96 and 1,254.72 is: 1,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.28 : 3,438.96 = 1,254.72 : x
  2. Step 2: Convert to fraction form
    2,296.28/3,438.96 = 1,254.72/x
  3. Step 3: Cross multiply
    2,296.28x = 3,438.96 × 1,254.72
  4. Step 4: Simplify right side
    2,296.28x = 4,314,940.08
  5. Step 5: Solve for x
    x = 4,314,940.08/2,296.28
  6. Step 6: Final answer
    x = 1,879.10

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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.