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Finding the Fourth Proportional to 3,048.02, 4,572.03 and 739.50

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Solution

The fourth proportional to 3,048.02, 4,572.03 and 739.50 is: 1,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.02 : 4,572.03 = 739.50 : x
  2. Step 2: Convert to fraction form
    3,048.02/4,572.03 = 739.50/x
  3. Step 3: Cross multiply
    3,048.02x = 4,572.03 × 739.50
  4. Step 4: Simplify right side
    3,048.02x = 3,381,016.19
  5. Step 5: Solve for x
    x = 3,381,016.19/3,048.02
  6. Step 6: Final answer
    x = 1,109.25

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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.