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Finding the Fourth Proportional to 3,062.80, 4,588.80 and 2,630.80

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Solution

The fourth proportional to 3,062.80, 4,588.80 and 2,630.80 is: 3,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.80 : 4,588.80 = 2,630.80 : x
  2. Step 2: Convert to fraction form
    3,062.80/4,588.80 = 2,630.80/x
  3. Step 3: Cross multiply
    3,062.80x = 4,588.80 × 2,630.80
  4. Step 4: Simplify right side
    3,062.80x = 12,072,215.04
  5. Step 5: Solve for x
    x = 12,072,215.04/3,062.80
  6. Step 6: Final answer
    x = 3,941.56

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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.