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Finding the Fourth Proportional to 3,048.53, 4,572.80 and 740.03

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Solution

The fourth proportional to 3,048.53, 4,572.80 and 740.03 is: 1,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.53 : 4,572.80 = 740.03 : x
  2. Step 2: Convert to fraction form
    3,048.53/4,572.80 = 740.03/x
  3. Step 3: Cross multiply
    3,048.53x = 4,572.80 × 740.03
  4. Step 4: Simplify right side
    3,048.53x = 3,384,009.18
  5. Step 5: Solve for x
    x = 3,384,009.18/3,048.53
  6. Step 6: Final answer
    x = 1,110.05

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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.