Home / 2,215.10-3,323.13-734.25

Finding the Fourth Proportional to 2,215.10, 3,323.13 and 734.25

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Solution

The fourth proportional to 2,215.10, 3,323.13 and 734.25 is: 1,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215.10 : 3,323.13 = 734.25 : x
  2. Step 2: Convert to fraction form
    2,215.10/3,323.13 = 734.25/x
  3. Step 3: Cross multiply
    2,215.10x = 3,323.13 × 734.25
  4. Step 4: Simplify right side
    2,215.10x = 2,440,008.20
  5. Step 5: Solve for x
    x = 2,440,008.20/2,215.10
  6. Step 6: Final answer
    x = 1,101.54

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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.