Home / 3,008.60-4,149.54-2,013.56

Finding the Fourth Proportional to 3,008.60, 4,149.54 and 2,013.56

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Solution

The fourth proportional to 3,008.60, 4,149.54 and 2,013.56 is: 2,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.60 : 4,149.54 = 2,013.56 : x
  2. Step 2: Convert to fraction form
    3,008.60/4,149.54 = 2,013.56/x
  3. Step 3: Cross multiply
    3,008.60x = 4,149.54 × 2,013.56
  4. Step 4: Simplify right side
    3,008.60x = 8,355,347.76
  5. Step 5: Solve for x
    x = 8,355,347.76/3,008.60
  6. Step 6: Final answer
    x = 2,777.15

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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.