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Finding the Fourth Proportional to 1,889.25, 2,607.10 and 1,049.92

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Solution

The fourth proportional to 1,889.25, 2,607.10 and 1,049.92 is: 1,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.25 : 2,607.10 = 1,049.92 : x
  2. Step 2: Convert to fraction form
    1,889.25/2,607.10 = 1,049.92/x
  3. Step 3: Cross multiply
    1,889.25x = 2,607.10 × 1,049.92
  4. Step 4: Simplify right side
    1,889.25x = 2,737,246.43
  5. Step 5: Solve for x
    x = 2,737,246.43/1,889.25
  6. Step 6: Final answer
    x = 1,448.85

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1.5x scale

Why These Related Problems?

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