Home / 2,398.60-3,309.84-1,769.47

Finding the Fourth Proportional to 2,398.60, 3,309.84 and 1,769.47

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Solution

The fourth proportional to 2,398.60, 3,309.84 and 1,769.47 is: 2,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.60 : 3,309.84 = 1,769.47 : x
  2. Step 2: Convert to fraction form
    2,398.60/3,309.84 = 1,769.47/x
  3. Step 3: Cross multiply
    2,398.60x = 3,309.84 × 1,769.47
  4. Step 4: Simplify right side
    2,398.60x = 5,856,666.40
  5. Step 5: Solve for x
    x = 5,856,666.40/2,398.60
  6. Step 6: Final answer
    x = 2,441.71

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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.