Home / 3,001.40-4,141.97-1,742.55

Finding the Fourth Proportional to 3,001.40, 4,141.97 and 1,742.55

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Solution

The fourth proportional to 3,001.40, 4,141.97 and 1,742.55 is: 2,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.40 : 4,141.97 = 1,742.55 : x
  2. Step 2: Convert to fraction form
    3,001.40/4,141.97 = 1,742.55/x
  3. Step 3: Cross multiply
    3,001.40x = 4,141.97 × 1,742.55
  4. Step 4: Simplify right side
    3,001.40x = 7,217,581.11
  5. Step 5: Solve for x
    x = 7,217,581.11/3,001.40
  6. Step 6: Final answer
    x = 2,404.74

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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.