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Finding the Fourth Proportional to 2,639.03, 3,642.03 and 1,754.24

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Solution

The fourth proportional to 2,639.03, 3,642.03 and 1,754.24 is: 2,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.03 : 3,642.03 = 1,754.24 : x
  2. Step 2: Convert to fraction form
    2,639.03/3,642.03 = 1,754.24/x
  3. Step 3: Cross multiply
    2,639.03x = 3,642.03 × 1,754.24
  4. Step 4: Simplify right side
    2,639.03x = 6,388,976.50
  5. Step 5: Solve for x
    x = 6,388,976.50/2,639.03
  6. Step 6: Final answer
    x = 2,420.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.