Home / 3,275.48-4,909.29-1,518.10

Finding the Fourth Proportional to 3,275.48, 4,909.29 and 1,518.10

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Solution

The fourth proportional to 3,275.48, 4,909.29 and 1,518.10 is: 2,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.48 : 4,909.29 = 1,518.10 : x
  2. Step 2: Convert to fraction form
    3,275.48/4,909.29 = 1,518.10/x
  3. Step 3: Cross multiply
    3,275.48x = 4,909.29 × 1,518.10
  4. Step 4: Simplify right side
    3,275.48x = 7,452,793.15
  5. Step 5: Solve for x
    x = 7,452,793.15/3,275.48
  6. Step 6: Final answer
    x = 2,275.33

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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.