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Finding the Fourth Proportional to 2,670.03, 4,007.50 and 1,354.70

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Solution

The fourth proportional to 2,670.03, 4,007.50 and 1,354.70 is: 2,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.03 : 4,007.50 = 1,354.70 : x
  2. Step 2: Convert to fraction form
    2,670.03/4,007.50 = 1,354.70/x
  3. Step 3: Cross multiply
    2,670.03x = 4,007.50 × 1,354.70
  4. Step 4: Simplify right side
    2,670.03x = 5,428,960.25
  5. Step 5: Solve for x
    x = 5,428,960.25/2,670.03
  6. Step 6: Final answer
    x = 2,033.30

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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.