Home / 3,155.42-4,733.38-1,306.19

Finding the Fourth Proportional to 3,155.42, 4,733.38 and 1,306.19

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Solution

The fourth proportional to 3,155.42, 4,733.38 and 1,306.19 is: 1,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.42 : 4,733.38 = 1,306.19 : x
  2. Step 2: Convert to fraction form
    3,155.42/4,733.38 = 1,306.19/x
  3. Step 3: Cross multiply
    3,155.42x = 4,733.38 × 1,306.19
  4. Step 4: Simplify right side
    3,155.42x = 6,182,669.96
  5. Step 5: Solve for x
    x = 6,182,669.96/3,155.42
  6. Step 6: Final answer
    x = 1,959.38

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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.