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Finding the Fourth Proportional to 3,001.30, 4,503.30 and 1,440.70

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Solution

The fourth proportional to 3,001.30, 4,503.30 and 1,440.70 is: 2,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.30 : 4,503.30 = 1,440.70 : x
  2. Step 2: Convert to fraction form
    3,001.30/4,503.30 = 1,440.70/x
  3. Step 3: Cross multiply
    3,001.30x = 4,503.30 × 1,440.70
  4. Step 4: Simplify right side
    3,001.30x = 6,487,904.31
  5. Step 5: Solve for x
    x = 6,487,904.31/3,001.30
  6. Step 6: Final answer
    x = 2,161.70

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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.