Home / 3,164.24-4,360.48-2,278.37

Finding the Fourth Proportional to 3,164.24, 4,360.48 and 2,278.37

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Solution

The fourth proportional to 3,164.24, 4,360.48 and 2,278.37 is: 3,139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.24 : 4,360.48 = 2,278.37 : x
  2. Step 2: Convert to fraction form
    3,164.24/4,360.48 = 2,278.37/x
  3. Step 3: Cross multiply
    3,164.24x = 4,360.48 × 2,278.37
  4. Step 4: Simplify right side
    3,164.24x = 9,934,759.32
  5. Step 5: Solve for x
    x = 9,934,759.32/3,164.24
  6. Step 6: Final answer
    x = 3,139.70

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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.