Home / 3,143.85-4,338.23-1,746.33

Finding the Fourth Proportional to 3,143.85, 4,338.23 and 1,746.33

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Solution

The fourth proportional to 3,143.85, 4,338.23 and 1,746.33 is: 2,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.85 : 4,338.23 = 1,746.33 : x
  2. Step 2: Convert to fraction form
    3,143.85/4,338.23 = 1,746.33/x
  3. Step 3: Cross multiply
    3,143.85x = 4,338.23 × 1,746.33
  4. Step 4: Simplify right side
    3,143.85x = 7,575,972.46
  5. Step 5: Solve for x
    x = 7,575,972.46/3,143.85
  6. Step 6: Final answer
    x = 2,409.78

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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.