Home / 2,223.51-3,068.81-2,125.09

Finding the Fourth Proportional to 2,223.51, 3,068.81 and 2,125.09

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Solution

The fourth proportional to 2,223.51, 3,068.81 and 2,125.09 is: 2,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.51 : 3,068.81 = 2,125.09 : x
  2. Step 2: Convert to fraction form
    2,223.51/3,068.81 = 2,125.09/x
  3. Step 3: Cross multiply
    2,223.51x = 3,068.81 × 2,125.09
  4. Step 4: Simplify right side
    2,223.51x = 6,521,497.44
  5. Step 5: Solve for x
    x = 6,521,497.44/2,223.51
  6. Step 6: Final answer
    x = 2,932.97

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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.