Home / 3,618.06-4,990.18-2,626.62

Finding the Fourth Proportional to 3,618.06, 4,990.18 and 2,626.62

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Solution

The fourth proportional to 3,618.06, 4,990.18 and 2,626.62 is: 3,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.06 : 4,990.18 = 2,626.62 : x
  2. Step 2: Convert to fraction form
    3,618.06/4,990.18 = 2,626.62/x
  3. Step 3: Cross multiply
    3,618.06x = 4,990.18 × 2,626.62
  4. Step 4: Simplify right side
    3,618.06x = 13,107,306.59
  5. Step 5: Solve for x
    x = 13,107,306.59/3,618.06
  6. Step 6: Final answer
    x = 3,622.74

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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.