Home / 2,958.22-4,085.40-2,018.17

Finding the Fourth Proportional to 2,958.22, 4,085.40 and 2,018.17

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Solution

The fourth proportional to 2,958.22, 4,085.40 and 2,018.17 is: 2,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.22 : 4,085.40 = 2,018.17 : x
  2. Step 2: Convert to fraction form
    2,958.22/4,085.40 = 2,018.17/x
  3. Step 3: Cross multiply
    2,958.22x = 4,085.40 × 2,018.17
  4. Step 4: Simplify right side
    2,958.22x = 8,245,031.72
  5. Step 5: Solve for x
    x = 8,245,031.72/2,958.22
  6. Step 6: Final answer
    x = 2,787.16

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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.