Home / 1,826.27-2,521.11-1,378.33

Finding the Fourth Proportional to 1,826.27, 2,521.11 and 1,378.33

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Solution

The fourth proportional to 1,826.27, 2,521.11 and 1,378.33 is: 1,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.27 : 2,521.11 = 1,378.33 : x
  2. Step 2: Convert to fraction form
    1,826.27/2,521.11 = 1,378.33/x
  3. Step 3: Cross multiply
    1,826.27x = 2,521.11 × 1,378.33
  4. Step 4: Simplify right side
    1,826.27x = 3,474,921.55
  5. Step 5: Solve for x
    x = 3,474,921.55/1,826.27
  6. Step 6: Final answer
    x = 1,902.74

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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.