Home / 2,037.18-2,811.30-1,105.68

Finding the Fourth Proportional to 2,037.18, 2,811.30 and 1,105.68

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Solution

The fourth proportional to 2,037.18, 2,811.30 and 1,105.68 is: 1,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.18 : 2,811.30 = 1,105.68 : x
  2. Step 2: Convert to fraction form
    2,037.18/2,811.30 = 1,105.68/x
  3. Step 3: Cross multiply
    2,037.18x = 2,811.30 × 1,105.68
  4. Step 4: Simplify right side
    2,037.18x = 3,108,398.18
  5. Step 5: Solve for x
    x = 3,108,398.18/2,037.18
  6. Step 6: Final answer
    x = 1,525.83

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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.