Home / 3,066.48-4,261.68-3,031.20

Finding the Fourth Proportional to 3,066.48, 4,261.68 and 3,031.20

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Solution

The fourth proportional to 3,066.48, 4,261.68 and 3,031.20 is: 4,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.48 : 4,261.68 = 3,031.20 : x
  2. Step 2: Convert to fraction form
    3,066.48/4,261.68 = 3,031.20/x
  3. Step 3: Cross multiply
    3,066.48x = 4,261.68 × 3,031.20
  4. Step 4: Simplify right side
    3,066.48x = 12,918,004.42
  5. Step 5: Solve for x
    x = 12,918,004.42/3,066.48
  6. Step 6: Final answer
    x = 4,212.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.