Home / 2,578.32-3,864.60-2,370.74

Finding the Fourth Proportional to 2,578.32, 3,864.60 and 2,370.74

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Solution

The fourth proportional to 2,578.32, 3,864.60 and 2,370.74 is: 3,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.32 : 3,864.60 = 2,370.74 : x
  2. Step 2: Convert to fraction form
    2,578.32/3,864.60 = 2,370.74/x
  3. Step 3: Cross multiply
    2,578.32x = 3,864.60 × 2,370.74
  4. Step 4: Simplify right side
    2,578.32x = 9,161,942.48
  5. Step 5: Solve for x
    x = 9,161,942.48/2,578.32
  6. Step 6: Final answer
    x = 3,553.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.