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Finding the Fourth Proportional to 1,248.29, 1,870.04 and 700.86

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Solution

The fourth proportional to 1,248.29, 1,870.04 and 700.86 is: 1,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.29 : 1,870.04 = 700.86 : x
  2. Step 2: Convert to fraction form
    1,248.29/1,870.04 = 700.86/x
  3. Step 3: Cross multiply
    1,248.29x = 1,870.04 × 700.86
  4. Step 4: Simplify right side
    1,248.29x = 1,310,636.23
  5. Step 5: Solve for x
    x = 1,310,636.23/1,248.29
  6. Step 6: Final answer
    x = 1,049.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.