Home / 3,129.37-4,694.02-1,049.38

Finding the Fourth Proportional to 3,129.37, 4,694.02 and 1,049.38

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Solution

The fourth proportional to 3,129.37, 4,694.02 and 1,049.38 is: 1,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.37 : 4,694.02 = 1,049.38 : x
  2. Step 2: Convert to fraction form
    3,129.37/4,694.02 = 1,049.38/x
  3. Step 3: Cross multiply
    3,129.37x = 4,694.02 × 1,049.38
  4. Step 4: Simplify right side
    3,129.37x = 4,925,810.71
  5. Step 5: Solve for x
    x = 4,925,810.71/3,129.37
  6. Step 6: Final answer
    x = 1,574.06

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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.