Home / 3,159.30-4,360.23-1,832.72

Finding the Fourth Proportional to 3,159.30, 4,360.23 and 1,832.72

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Solution

The fourth proportional to 3,159.30, 4,360.23 and 1,832.72 is: 2,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.30 : 4,360.23 = 1,832.72 : x
  2. Step 2: Convert to fraction form
    3,159.30/4,360.23 = 1,832.72/x
  3. Step 3: Cross multiply
    3,159.30x = 4,360.23 × 1,832.72
  4. Step 4: Simplify right side
    3,159.30x = 7,991,080.73
  5. Step 5: Solve for x
    x = 7,991,080.73/3,159.30
  6. Step 6: Final answer
    x = 2,529.38

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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.