Home / 3,559.16-4,909.10-3,086.20

Finding the Fourth Proportional to 3,559.16, 4,909.10 and 3,086.20

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Solution

The fourth proportional to 3,559.16, 4,909.10 and 3,086.20 is: 4,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.16 : 4,909.10 = 3,086.20 : x
  2. Step 2: Convert to fraction form
    3,559.16/4,909.10 = 3,086.20/x
  3. Step 3: Cross multiply
    3,559.16x = 4,909.10 × 3,086.20
  4. Step 4: Simplify right side
    3,559.16x = 15,150,464.42
  5. Step 5: Solve for x
    x = 15,150,464.42/3,559.16
  6. Step 6: Final answer
    x = 4,256.75

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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.