Home / 3,001.28-4,141.36-1,674.72

Finding the Fourth Proportional to 3,001.28, 4,141.36 and 1,674.72

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Solution

The fourth proportional to 3,001.28, 4,141.36 and 1,674.72 is: 2,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.28 : 4,141.36 = 1,674.72 : x
  2. Step 2: Convert to fraction form
    3,001.28/4,141.36 = 1,674.72/x
  3. Step 3: Cross multiply
    3,001.28x = 4,141.36 × 1,674.72
  4. Step 4: Simplify right side
    3,001.28x = 6,935,618.42
  5. Step 5: Solve for x
    x = 6,935,618.42/3,001.28
  6. Step 6: Final answer
    x = 2,310.89

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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.