Home / 2,309.98-3,448.15-2,018.38

Finding the Fourth Proportional to 2,309.98, 3,448.15 and 2,018.38

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Solution

The fourth proportional to 2,309.98, 3,448.15 and 2,018.38 is: 3,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.98 : 3,448.15 = 2,018.38 : x
  2. Step 2: Convert to fraction form
    2,309.98/3,448.15 = 2,018.38/x
  3. Step 3: Cross multiply
    2,309.98x = 3,448.15 × 2,018.38
  4. Step 4: Simplify right side
    2,309.98x = 6,959,677.00
  5. Step 5: Solve for x
    x = 6,959,677.00/2,309.98
  6. Step 6: Final answer
    x = 3,012.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.