Home / 3,943.78-5,443-2,599.18

Finding the Fourth Proportional to 3,943.78, 5,443 and 2,599.18

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Solution

The fourth proportional to 3,943.78, 5,443 and 2,599.18 is: 3,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.78 : 5,443 = 2,599.18 : x
  2. Step 2: Convert to fraction form
    3,943.78/5,443 = 2,599.18/x
  3. Step 3: Cross multiply
    3,943.78x = 5,443 × 2,599.18
  4. Step 4: Simplify right side
    3,943.78x = 14,147,336.74
  5. Step 5: Solve for x
    x = 14,147,336.74/3,943.78
  6. Step 6: Final answer
    x = 3,587.25

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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.