Home / 2,913.03-4,370.76-1,181.25

Finding the Fourth Proportional to 2,913.03, 4,370.76 and 1,181.25

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Solution

The fourth proportional to 2,913.03, 4,370.76 and 1,181.25 is: 1,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.03 : 4,370.76 = 1,181.25 : x
  2. Step 2: Convert to fraction form
    2,913.03/4,370.76 = 1,181.25/x
  3. Step 3: Cross multiply
    2,913.03x = 4,370.76 × 1,181.25
  4. Step 4: Simplify right side
    2,913.03x = 5,162,960.25
  5. Step 5: Solve for x
    x = 5,162,960.25/2,913.03
  6. Step 6: Final answer
    x = 1,772.37

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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.