Home / 2,608.03-3,911.23-876.25

Finding the Fourth Proportional to 2,608.03, 3,911.23 and 876.25

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Solution

The fourth proportional to 2,608.03, 3,911.23 and 876.25 is: 1,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.03 : 3,911.23 = 876.25 : x
  2. Step 2: Convert to fraction form
    2,608.03/3,911.23 = 876.25/x
  3. Step 3: Cross multiply
    2,608.03x = 3,911.23 × 876.25
  4. Step 4: Simplify right side
    2,608.03x = 3,427,215.29
  5. Step 5: Solve for x
    x = 3,427,215.29/2,608.03
  6. Step 6: Final answer
    x = 1,314.10

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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.