Home / 2,626.61-3,940.70-1,066.32

Finding the Fourth Proportional to 2,626.61, 3,940.70 and 1,066.32

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Solution

The fourth proportional to 2,626.61, 3,940.70 and 1,066.32 is: 1,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.61 : 3,940.70 = 1,066.32 : x
  2. Step 2: Convert to fraction form
    2,626.61/3,940.70 = 1,066.32/x
  3. Step 3: Cross multiply
    2,626.61x = 3,940.70 × 1,066.32
  4. Step 4: Simplify right side
    2,626.61x = 4,202,047.22
  5. Step 5: Solve for x
    x = 4,202,047.22/2,626.61
  6. Step 6: Final answer
    x = 1,599.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.