Home / 2,616.16-3,924.23-668.35

Finding the Fourth Proportional to 2,616.16, 3,924.23 and 668.35

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Solution

The fourth proportional to 2,616.16, 3,924.23 and 668.35 is: 1,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.16 : 3,924.23 = 668.35 : x
  2. Step 2: Convert to fraction form
    2,616.16/3,924.23 = 668.35/x
  3. Step 3: Cross multiply
    2,616.16x = 3,924.23 × 668.35
  4. Step 4: Simplify right side
    2,616.16x = 2,622,736.16
  5. Step 5: Solve for x
    x = 2,622,736.16/2,616.16
  6. Step 6: Final answer
    x = 1,002.52

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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.