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Finding the Fourth Proportional to 1,368.60, 2,046.80 and 1,003.02

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Solution

The fourth proportional to 1,368.60, 2,046.80 and 1,003.02 is: 1,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.60 : 2,046.80 = 1,003.02 : x
  2. Step 2: Convert to fraction form
    1,368.60/2,046.80 = 1,003.02/x
  3. Step 3: Cross multiply
    1,368.60x = 2,046.80 × 1,003.02
  4. Step 4: Simplify right side
    1,368.60x = 2,052,981.34
  5. Step 5: Solve for x
    x = 2,052,981.34/1,368.60
  6. Step 6: Final answer
    x = 1,500.06

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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.