Home / 2,296.18-3,160.56-1,919.02

Finding the Fourth Proportional to 2,296.18, 3,160.56 and 1,919.02

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Solution

The fourth proportional to 2,296.18, 3,160.56 and 1,919.02 is: 2,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.18 : 3,160.56 = 1,919.02 : x
  2. Step 2: Convert to fraction form
    2,296.18/3,160.56 = 1,919.02/x
  3. Step 3: Cross multiply
    2,296.18x = 3,160.56 × 1,919.02
  4. Step 4: Simplify right side
    2,296.18x = 6,065,177.85
  5. Step 5: Solve for x
    x = 6,065,177.85/2,296.18
  6. Step 6: Final answer
    x = 2,641.42

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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.