Home / 3,001.20-4,141.44-1,674.72

Finding the Fourth Proportional to 3,001.20, 4,141.44 and 1,674.72

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Solution

The fourth proportional to 3,001.20, 4,141.44 and 1,674.72 is: 2,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.20 : 4,141.44 = 1,674.72 : x
  2. Step 2: Convert to fraction form
    3,001.20/4,141.44 = 1,674.72/x
  3. Step 3: Cross multiply
    3,001.20x = 4,141.44 × 1,674.72
  4. Step 4: Simplify right side
    3,001.20x = 6,935,752.40
  5. Step 5: Solve for x
    x = 6,935,752.40/3,001.20
  6. Step 6: Final answer
    x = 2,310.99

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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.