Home / 3,001.19-4,143.35-2,009.75

Finding the Fourth Proportional to 3,001.19, 4,143.35 and 2,009.75

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Solution

The fourth proportional to 3,001.19, 4,143.35 and 2,009.75 is: 2,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.19 : 4,143.35 = 2,009.75 : x
  2. Step 2: Convert to fraction form
    3,001.19/4,143.35 = 2,009.75/x
  3. Step 3: Cross multiply
    3,001.19x = 4,143.35 × 2,009.75
  4. Step 4: Simplify right side
    3,001.19x = 8,327,081.97
  5. Step 5: Solve for x
    x = 8,327,081.97/3,001.19
  6. Step 6: Final answer
    x = 2,774.60

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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.