Home / 2,037.12-2,811.20-1,197.76

Finding the Fourth Proportional to 2,037.12, 2,811.20 and 1,197.76

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Solution

The fourth proportional to 2,037.12, 2,811.20 and 1,197.76 is: 1,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.12 : 2,811.20 = 1,197.76 : x
  2. Step 2: Convert to fraction form
    2,037.12/2,811.20 = 1,197.76/x
  3. Step 3: Cross multiply
    2,037.12x = 2,811.20 × 1,197.76
  4. Step 4: Simplify right side
    2,037.12x = 3,367,142.91
  5. Step 5: Solve for x
    x = 3,367,142.91/2,037.12
  6. Step 6: Final answer
    x = 1,652.89

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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.