Home / 2,630.61-3,626.05-2,578.77

Finding the Fourth Proportional to 2,630.61, 3,626.05 and 2,578.77

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Solution

The fourth proportional to 2,630.61, 3,626.05 and 2,578.77 is: 3,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.61 : 3,626.05 = 2,578.77 : x
  2. Step 2: Convert to fraction form
    2,630.61/3,626.05 = 2,578.77/x
  3. Step 3: Cross multiply
    2,630.61x = 3,626.05 × 2,578.77
  4. Step 4: Simplify right side
    2,630.61x = 9,350,748.96
  5. Step 5: Solve for x
    x = 9,350,748.96/2,630.61
  6. Step 6: Final answer
    x = 3,554.59

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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.