Home / 2,213.98-3,316.92-1,237.12

Finding the Fourth Proportional to 2,213.98, 3,316.92 and 1,237.12

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Solution

The fourth proportional to 2,213.98, 3,316.92 and 1,237.12 is: 1,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.98 : 3,316.92 = 1,237.12 : x
  2. Step 2: Convert to fraction form
    2,213.98/3,316.92 = 1,237.12/x
  3. Step 3: Cross multiply
    2,213.98x = 3,316.92 × 1,237.12
  4. Step 4: Simplify right side
    2,213.98x = 4,103,428.07
  5. Step 5: Solve for x
    x = 4,103,428.07/2,213.98
  6. Step 6: Final answer
    x = 1,853.42

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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.