Home / 2,918.55-4,375.08-1,456.32

Finding the Fourth Proportional to 2,918.55, 4,375.08 and 1,456.32

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Solution

The fourth proportional to 2,918.55, 4,375.08 and 1,456.32 is: 2,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.55 : 4,375.08 = 1,456.32 : x
  2. Step 2: Convert to fraction form
    2,918.55/4,375.08 = 1,456.32/x
  3. Step 3: Cross multiply
    2,918.55x = 4,375.08 × 1,456.32
  4. Step 4: Simplify right side
    2,918.55x = 6,371,516.51
  5. Step 5: Solve for x
    x = 6,371,516.51/2,918.55
  6. Step 6: Final answer
    x = 2,183.11

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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.