Home / 1,826.28-2,739.60-1,249.56

Finding the Fourth Proportional to 1,826.28, 2,739.60 and 1,249.56

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Solution

The fourth proportional to 1,826.28, 2,739.60 and 1,249.56 is: 1,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.28 : 2,739.60 = 1,249.56 : x
  2. Step 2: Convert to fraction form
    1,826.28/2,739.60 = 1,249.56/x
  3. Step 3: Cross multiply
    1,826.28x = 2,739.60 × 1,249.56
  4. Step 4: Simplify right side
    1,826.28x = 3,423,294.58
  5. Step 5: Solve for x
    x = 3,423,294.58/1,826.28
  6. Step 6: Final answer
    x = 1,874.46

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1.5x scale

Why These Related Problems?

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