Home / 2,355.08-3,516.88-2,218.38

Finding the Fourth Proportional to 2,355.08, 3,516.88 and 2,218.38

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Solution

The fourth proportional to 2,355.08, 3,516.88 and 2,218.38 is: 3,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.08 : 3,516.88 = 2,218.38 : x
  2. Step 2: Convert to fraction form
    2,355.08/3,516.88 = 2,218.38/x
  3. Step 3: Cross multiply
    2,355.08x = 3,516.88 × 2,218.38
  4. Step 4: Simplify right side
    2,355.08x = 7,801,776.25
  5. Step 5: Solve for x
    x = 7,801,776.25/2,355.08
  6. Step 6: Final answer
    x = 3,312.74

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