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Finding the Fourth Proportional to 2,416.61, 3,625.74 and 954.96

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Solution

The fourth proportional to 2,416.61, 3,625.74 and 954.96 is: 1,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.61 : 3,625.74 = 954.96 : x
  2. Step 2: Convert to fraction form
    2,416.61/3,625.74 = 954.96/x
  3. Step 3: Cross multiply
    2,416.61x = 3,625.74 × 954.96
  4. Step 4: Simplify right side
    2,416.61x = 3,462,436.67
  5. Step 5: Solve for x
    x = 3,462,436.67/2,416.61
  6. Step 6: Final answer
    x = 1,432.77

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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.