Home / 2,589.38-3,905.80-2,437.81

Finding the Fourth Proportional to 2,589.38, 3,905.80 and 2,437.81

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Solution

The fourth proportional to 2,589.38, 3,905.80 and 2,437.81 is: 3,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.38 : 3,905.80 = 2,437.81 : x
  2. Step 2: Convert to fraction form
    2,589.38/3,905.80 = 2,437.81/x
  3. Step 3: Cross multiply
    2,589.38x = 3,905.80 × 2,437.81
  4. Step 4: Simplify right side
    2,589.38x = 9,521,582.44
  5. Step 5: Solve for x
    x = 9,521,582.44/2,589.38
  6. Step 6: Final answer
    x = 3,677.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.