Home / 2,613.26-3,925.36-2,203.20

Finding the Fourth Proportional to 2,613.26, 3,925.36 and 2,203.20

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Solution

The fourth proportional to 2,613.26, 3,925.36 and 2,203.20 is: 3,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.26 : 3,925.36 = 2,203.20 : x
  2. Step 2: Convert to fraction form
    2,613.26/3,925.36 = 2,203.20/x
  3. Step 3: Cross multiply
    2,613.26x = 3,925.36 × 2,203.20
  4. Step 4: Simplify right side
    2,613.26x = 8,648,355.91
  5. Step 5: Solve for x
    x = 8,648,355.91/2,613.26
  6. Step 6: Final answer
    x = 3,309.41

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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.