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Finding the Fourth Proportional to 2,599.98, 3,899.67 and 652.04

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Solution

The fourth proportional to 2,599.98, 3,899.67 and 652.04 is: 977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.98 : 3,899.67 = 652.04 : x
  2. Step 2: Convert to fraction form
    2,599.98/3,899.67 = 652.04/x
  3. Step 3: Cross multiply
    2,599.98x = 3,899.67 × 652.04
  4. Step 4: Simplify right side
    2,599.98x = 2,542,721.33
  5. Step 5: Solve for x
    x = 2,542,721.33/2,599.98
  6. Step 6: Final answer
    x = 977.98

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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.