Home / 3,140.22-4,328.33-2,608.05

Finding the Fourth Proportional to 3,140.22, 4,328.33 and 2,608.05

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Solution

The fourth proportional to 3,140.22, 4,328.33 and 2,608.05 is: 3,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.22 : 4,328.33 = 2,608.05 : x
  2. Step 2: Convert to fraction form
    3,140.22/4,328.33 = 2,608.05/x
  3. Step 3: Cross multiply
    3,140.22x = 4,328.33 × 2,608.05
  4. Step 4: Simplify right side
    3,140.22x = 11,288,501.06
  5. Step 5: Solve for x
    x = 11,288,501.06/3,140.22
  6. Step 6: Final answer
    x = 3,594.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.