Home / 3,164.28-4,360.14-2,690.52

Finding the Fourth Proportional to 3,164.28, 4,360.14 and 2,690.52

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Solution

The fourth proportional to 3,164.28, 4,360.14 and 2,690.52 is: 3,707.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.28 : 4,360.14 = 2,690.52 : x
  2. Step 2: Convert to fraction form
    3,164.28/4,360.14 = 2,690.52/x
  3. Step 3: Cross multiply
    3,164.28x = 4,360.14 × 2,690.52
  4. Step 4: Simplify right side
    3,164.28x = 11,731,043.87
  5. Step 5: Solve for x
    x = 11,731,043.87/3,164.28
  6. Step 6: Final answer
    x = 3,707.33

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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.