Home / 3,159.20-4,733.40-1,696.88

Finding the Fourth Proportional to 3,159.20, 4,733.40 and 1,696.88

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Solution

The fourth proportional to 3,159.20, 4,733.40 and 1,696.88 is: 2,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.20 : 4,733.40 = 1,696.88 : x
  2. Step 2: Convert to fraction form
    3,159.20/4,733.40 = 1,696.88/x
  3. Step 3: Cross multiply
    3,159.20x = 4,733.40 × 1,696.88
  4. Step 4: Simplify right side
    3,159.20x = 8,032,011.79
  5. Step 5: Solve for x
    x = 8,032,011.79/3,159.20
  6. Step 6: Final answer
    x = 2,542.42

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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.