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Finding the Fourth Proportional to 2,658.03, 3,987.08 and 1,014.74

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Solution

The fourth proportional to 2,658.03, 3,987.08 and 1,014.74 is: 1,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.03 : 3,987.08 = 1,014.74 : x
  2. Step 2: Convert to fraction form
    2,658.03/3,987.08 = 1,014.74/x
  3. Step 3: Cross multiply
    2,658.03x = 3,987.08 × 1,014.74
  4. Step 4: Simplify right side
    2,658.03x = 4,045,824.55
  5. Step 5: Solve for x
    x = 4,045,824.55/2,658.03
  6. Step 6: Final answer
    x = 1,522.11

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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.