Home / 1,217.44-1,822.20-1,103.77

Finding the Fourth Proportional to 1,217.44, 1,822.20 and 1,103.77

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Solution

The fourth proportional to 1,217.44, 1,822.20 and 1,103.77 is: 1,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217.44 : 1,822.20 = 1,103.77 : x
  2. Step 2: Convert to fraction form
    1,217.44/1,822.20 = 1,103.77/x
  3. Step 3: Cross multiply
    1,217.44x = 1,822.20 × 1,103.77
  4. Step 4: Simplify right side
    1,217.44x = 2,011,289.69
  5. Step 5: Solve for x
    x = 2,011,289.69/1,217.44
  6. Step 6: Final answer
    x = 1,652.06

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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.