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Finding the Fourth Proportional to 1,373.46, 1,894.42 and 1,165.02

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Solution

The fourth proportional to 1,373.46, 1,894.42 and 1,165.02 is: 1,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.46 : 1,894.42 = 1,165.02 : x
  2. Step 2: Convert to fraction form
    1,373.46/1,894.42 = 1,165.02/x
  3. Step 3: Cross multiply
    1,373.46x = 1,894.42 × 1,165.02
  4. Step 4: Simplify right side
    1,373.46x = 2,207,037.19
  5. Step 5: Solve for x
    x = 2,207,037.19/1,373.46
  6. Step 6: Final answer
    x = 1,606.92

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