Home / 3,000.22-4,140.29-1,673.92

Finding the Fourth Proportional to 3,000.22, 4,140.29 and 1,673.92

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Solution

The fourth proportional to 3,000.22, 4,140.29 and 1,673.92 is: 2,310.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.22 : 4,140.29 = 1,673.92 : x
  2. Step 2: Convert to fraction form
    3,000.22/4,140.29 = 1,673.92/x
  3. Step 3: Cross multiply
    3,000.22x = 4,140.29 × 1,673.92
  4. Step 4: Simplify right side
    3,000.22x = 6,930,514.18
  5. Step 5: Solve for x
    x = 6,930,514.18/3,000.22
  6. Step 6: Final answer
    x = 2,310.00

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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.