Home / 2,626.78-3,626.65-1,633.41

Finding the Fourth Proportional to 2,626.78, 3,626.65 and 1,633.41

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Solution

The fourth proportional to 2,626.78, 3,626.65 and 1,633.41 is: 2,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.78 : 3,626.65 = 1,633.41 : x
  2. Step 2: Convert to fraction form
    2,626.78/3,626.65 = 1,633.41/x
  3. Step 3: Cross multiply
    2,626.78x = 3,626.65 × 1,633.41
  4. Step 4: Simplify right side
    2,626.78x = 5,923,798.21
  5. Step 5: Solve for x
    x = 5,923,798.21/2,626.78
  6. Step 6: Final answer
    x = 2,255.16

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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.