Home / 3,130.94-4,694.19-1,569.83

Finding the Fourth Proportional to 3,130.94, 4,694.19 and 1,569.83

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Solution

The fourth proportional to 3,130.94, 4,694.19 and 1,569.83 is: 2,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.94 : 4,694.19 = 1,569.83 : x
  2. Step 2: Convert to fraction form
    3,130.94/4,694.19 = 1,569.83/x
  3. Step 3: Cross multiply
    3,130.94x = 4,694.19 × 1,569.83
  4. Step 4: Simplify right side
    3,130.94x = 7,369,056.82
  5. Step 5: Solve for x
    x = 7,369,056.82/3,130.94
  6. Step 6: Final answer
    x = 2,353.63

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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.