Home / 3,000.17-4,140.01-1,673.80

Finding the Fourth Proportional to 3,000.17, 4,140.01 and 1,673.80

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Solution

The fourth proportional to 3,000.17, 4,140.01 and 1,673.80 is: 2,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.17 : 4,140.01 = 1,673.80 : x
  2. Step 2: Convert to fraction form
    3,000.17/4,140.01 = 1,673.80/x
  3. Step 3: Cross multiply
    3,000.17x = 4,140.01 × 1,673.80
  4. Step 4: Simplify right side
    3,000.17x = 6,929,540.48
  5. Step 5: Solve for x
    x = 6,929,540.48/3,000.17
  6. Step 6: Final answer
    x = 2,309.71

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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.