Home / 2,685.62-4,029.06-1,042.31

Finding the Fourth Proportional to 2,685.62, 4,029.06 and 1,042.31

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Solution

The fourth proportional to 2,685.62, 4,029.06 and 1,042.31 is: 1,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.62 : 4,029.06 = 1,042.31 : x
  2. Step 2: Convert to fraction form
    2,685.62/4,029.06 = 1,042.31/x
  3. Step 3: Cross multiply
    2,685.62x = 4,029.06 × 1,042.31
  4. Step 4: Simplify right side
    2,685.62x = 4,199,529.53
  5. Step 5: Solve for x
    x = 4,199,529.53/2,685.62
  6. Step 6: Final answer
    x = 1,563.71

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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.