Home / 2,147.24-2,961.38-1,360.04

Finding the Fourth Proportional to 2,147.24, 2,961.38 and 1,360.04

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Solution

The fourth proportional to 2,147.24, 2,961.38 and 1,360.04 is: 1,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.24 : 2,961.38 = 1,360.04 : x
  2. Step 2: Convert to fraction form
    2,147.24/2,961.38 = 1,360.04/x
  3. Step 3: Cross multiply
    2,147.24x = 2,961.38 × 1,360.04
  4. Step 4: Simplify right side
    2,147.24x = 4,027,595.26
  5. Step 5: Solve for x
    x = 4,027,595.26/2,147.24
  6. Step 6: Final answer
    x = 1,875.71

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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.