Home / 2,565.20-3,846.36-1,104.08

Finding the Fourth Proportional to 2,565.20, 3,846.36 and 1,104.08

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Solution

The fourth proportional to 2,565.20, 3,846.36 and 1,104.08 is: 1,655.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.20 : 3,846.36 = 1,104.08 : x
  2. Step 2: Convert to fraction form
    2,565.20/3,846.36 = 1,104.08/x
  3. Step 3: Cross multiply
    2,565.20x = 3,846.36 × 1,104.08
  4. Step 4: Simplify right side
    2,565.20x = 4,246,689.15
  5. Step 5: Solve for x
    x = 4,246,689.15/2,565.20
  6. Step 6: Final answer
    x = 1,655.50

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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.