Home / 3,188.67-4,388.28-2,626.93

Finding the Fourth Proportional to 3,188.67, 4,388.28 and 2,626.93

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Solution

The fourth proportional to 3,188.67, 4,388.28 and 2,626.93 is: 3,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.67 : 4,388.28 = 2,626.93 : x
  2. Step 2: Convert to fraction form
    3,188.67/4,388.28 = 2,626.93/x
  3. Step 3: Cross multiply
    3,188.67x = 4,388.28 × 2,626.93
  4. Step 4: Simplify right side
    3,188.67x = 11,527,700.01
  5. Step 5: Solve for x
    x = 11,527,700.01/3,188.67
  6. Step 6: Final answer
    x = 3,615.21

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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.