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Finding the Fourth Proportional to 1,325.16, 1,826.89 and 951.48

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Solution

The fourth proportional to 1,325.16, 1,826.89 and 951.48 is: 1,311.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.16 : 1,826.89 = 951.48 : x
  2. Step 2: Convert to fraction form
    1,325.16/1,826.89 = 951.48/x
  3. Step 3: Cross multiply
    1,325.16x = 1,826.89 × 951.48
  4. Step 4: Simplify right side
    1,325.16x = 1,738,246.92
  5. Step 5: Solve for x
    x = 1,738,246.92/1,325.16
  6. Step 6: Final answer
    x = 1,311.73

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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.