Home / 3,760.84-5,188.78-2,626.55

Finding the Fourth Proportional to 3,760.84, 5,188.78 and 2,626.55

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Solution

The fourth proportional to 3,760.84, 5,188.78 and 2,626.55 is: 3,623.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.84 : 5,188.78 = 2,626.55 : x
  2. Step 2: Convert to fraction form
    3,760.84/5,188.78 = 2,626.55/x
  3. Step 3: Cross multiply
    3,760.84x = 5,188.78 × 2,626.55
  4. Step 4: Simplify right side
    3,760.84x = 13,628,590.11
  5. Step 5: Solve for x
    x = 13,628,590.11/3,760.84
  6. Step 6: Final answer
    x = 3,623.82

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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.