Home / 3,000.27-4,140.87-2,290.95

Finding the Fourth Proportional to 3,000.27, 4,140.87 and 2,290.95

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Solution

The fourth proportional to 3,000.27, 4,140.87 and 2,290.95 is: 3,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.27 : 4,140.87 = 2,290.95 : x
  2. Step 2: Convert to fraction form
    3,000.27/4,140.87 = 2,290.95/x
  3. Step 3: Cross multiply
    3,000.27x = 4,140.87 × 2,290.95
  4. Step 4: Simplify right side
    3,000.27x = 9,486,526.13
  5. Step 5: Solve for x
    x = 9,486,526.13/3,000.27
  6. Step 6: Final answer
    x = 3,161.89

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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.