Home / 3,159.16-4,359.21-1,832.80

Finding the Fourth Proportional to 3,159.16, 4,359.21 and 1,832.80

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Solution

The fourth proportional to 3,159.16, 4,359.21 and 1,832.80 is: 2,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.16 : 4,359.21 = 1,832.80 : x
  2. Step 2: Convert to fraction form
    3,159.16/4,359.21 = 1,832.80/x
  3. Step 3: Cross multiply
    3,159.16x = 4,359.21 × 1,832.80
  4. Step 4: Simplify right side
    3,159.16x = 7,989,560.09
  5. Step 5: Solve for x
    x = 7,989,560.09/3,159.16
  6. Step 6: Final answer
    x = 2,529.01

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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.