Home / 3,060-4,221.50-2,350.62

Finding the Fourth Proportional to 3,060, 4,221.50 and 2,350.62

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Solution

The fourth proportional to 3,060, 4,221.50 and 2,350.62 is: 3,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060 : 4,221.50 = 2,350.62 : x
  2. Step 2: Convert to fraction form
    3,060/4,221.50 = 2,350.62/x
  3. Step 3: Cross multiply
    3,060x = 4,221.50 × 2,350.62
  4. Step 4: Simplify right side
    3,060x = 9,923,130.58
  5. Step 5: Solve for x
    x = 9,923,130.58/3,060
  6. Step 6: Final answer
    x = 3,242.85

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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.