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Finding the Fourth Proportional to 2,303.03, 3,451.97 and 915.99

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Solution

The fourth proportional to 2,303.03, 3,451.97 and 915.99 is: 1,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.03 : 3,451.97 = 915.99 : x
  2. Step 2: Convert to fraction form
    2,303.03/3,451.97 = 915.99/x
  3. Step 3: Cross multiply
    2,303.03x = 3,451.97 × 915.99
  4. Step 4: Simplify right side
    2,303.03x = 3,161,970.00
  5. Step 5: Solve for x
    x = 3,161,970.00/2,303.03
  6. Step 6: Final answer
    x = 1,372.96

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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.