Home / 3,424.94-4,728.78-2,626.88

Finding the Fourth Proportional to 3,424.94, 4,728.78 and 2,626.88

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Solution

The fourth proportional to 3,424.94, 4,728.78 and 2,626.88 is: 3,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.94 : 4,728.78 = 2,626.88 : x
  2. Step 2: Convert to fraction form
    3,424.94/4,728.78 = 2,626.88/x
  3. Step 3: Cross multiply
    3,424.94x = 4,728.78 × 2,626.88
  4. Step 4: Simplify right side
    3,424.94x = 12,421,937.61
  5. Step 5: Solve for x
    x = 12,421,937.61/3,424.94
  6. Step 6: Final answer
    x = 3,626.91

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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.