Home / 2,081.37-2,872.05-1,197.46

Finding the Fourth Proportional to 2,081.37, 2,872.05 and 1,197.46

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Solution

The fourth proportional to 2,081.37, 2,872.05 and 1,197.46 is: 1,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.37 : 2,872.05 = 1,197.46 : x
  2. Step 2: Convert to fraction form
    2,081.37/2,872.05 = 1,197.46/x
  3. Step 3: Cross multiply
    2,081.37x = 2,872.05 × 1,197.46
  4. Step 4: Simplify right side
    2,081.37x = 3,439,164.99
  5. Step 5: Solve for x
    x = 3,439,164.99/2,081.37
  6. Step 6: Final answer
    x = 1,652.36

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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.