Home / 3,001.08-4,140.90-2,728.92

Finding the Fourth Proportional to 3,001.08, 4,140.90 and 2,728.92

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Solution

The fourth proportional to 3,001.08, 4,140.90 and 2,728.92 is: 3,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.08 : 4,140.90 = 2,728.92 : x
  2. Step 2: Convert to fraction form
    3,001.08/4,140.90 = 2,728.92/x
  3. Step 3: Cross multiply
    3,001.08x = 4,140.90 × 2,728.92
  4. Step 4: Simplify right side
    3,001.08x = 11,300,184.83
  5. Step 5: Solve for x
    x = 11,300,184.83/3,001.08
  6. Step 6: Final answer
    x = 3,765.37

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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.