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Finding the Fourth Proportional to 2,030.76, 3,047.04 and 732.60

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Solution

The fourth proportional to 2,030.76, 3,047.04 and 732.60 is: 1,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.76 : 3,047.04 = 732.60 : x
  2. Step 2: Convert to fraction form
    2,030.76/3,047.04 = 732.60/x
  3. Step 3: Cross multiply
    2,030.76x = 3,047.04 × 732.60
  4. Step 4: Simplify right side
    2,030.76x = 2,232,261.50
  5. Step 5: Solve for x
    x = 2,232,261.50/2,030.76
  6. Step 6: Final answer
    x = 1,099.22

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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.