Home / 4,155.59-6,231.51-1,522.31

Finding the Fourth Proportional to 4,155.59, 6,231.51 and 1,522.31

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Solution

The fourth proportional to 4,155.59, 6,231.51 and 1,522.31 is: 2,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.59 : 6,231.51 = 1,522.31 : x
  2. Step 2: Convert to fraction form
    4,155.59/6,231.51 = 1,522.31/x
  3. Step 3: Cross multiply
    4,155.59x = 6,231.51 × 1,522.31
  4. Step 4: Simplify right side
    4,155.59x = 9,486,289.99
  5. Step 5: Solve for x
    x = 9,486,289.99/4,155.59
  6. Step 6: Final answer
    x = 2,282.78

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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.