Home / 3,155.59-4,733.39-1,422.19

Finding the Fourth Proportional to 3,155.59, 4,733.39 and 1,422.19

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Solution

The fourth proportional to 3,155.59, 4,733.39 and 1,422.19 is: 2,133.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.59 : 4,733.39 = 1,422.19 : x
  2. Step 2: Convert to fraction form
    3,155.59/4,733.39 = 1,422.19/x
  3. Step 3: Cross multiply
    3,155.59x = 4,733.39 × 1,422.19
  4. Step 4: Simplify right side
    3,155.59x = 6,731,779.92
  5. Step 5: Solve for x
    x = 6,731,779.92/3,155.59
  6. Step 6: Final answer
    x = 2,133.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.