Home / 3,121.98-4,309.23-2,060.52

Finding the Fourth Proportional to 3,121.98, 4,309.23 and 2,060.52

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Solution

The fourth proportional to 3,121.98, 4,309.23 and 2,060.52 is: 2,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121.98 : 4,309.23 = 2,060.52 : x
  2. Step 2: Convert to fraction form
    3,121.98/4,309.23 = 2,060.52/x
  3. Step 3: Cross multiply
    3,121.98x = 4,309.23 × 2,060.52
  4. Step 4: Simplify right side
    3,121.98x = 8,879,254.60
  5. Step 5: Solve for x
    x = 8,879,254.60/3,121.98
  6. Step 6: Final answer
    x = 2,844.11

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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.