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Finding the Fourth Proportional to 2,416.86, 3,623.67 and 955.62

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Solution

The fourth proportional to 2,416.86, 3,623.67 and 955.62 is: 1,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.86 : 3,623.67 = 955.62 : x
  2. Step 2: Convert to fraction form
    2,416.86/3,623.67 = 955.62/x
  3. Step 3: Cross multiply
    2,416.86x = 3,623.67 × 955.62
  4. Step 4: Simplify right side
    2,416.86x = 3,462,851.53
  5. Step 5: Solve for x
    x = 3,462,851.53/2,416.86
  6. Step 6: Final answer
    x = 1,432.79

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1.5x scale

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.