Home / 3,418.47-4,736.97-3,210.39

Finding the Fourth Proportional to 3,418.47, 4,736.97 and 3,210.39

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Solution

The fourth proportional to 3,418.47, 4,736.97 and 3,210.39 is: 4,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.47 : 4,736.97 = 3,210.39 : x
  2. Step 2: Convert to fraction form
    3,418.47/4,736.97 = 3,210.39/x
  3. Step 3: Cross multiply
    3,418.47x = 4,736.97 × 3,210.39
  4. Step 4: Simplify right side
    3,418.47x = 15,207,521.12
  5. Step 5: Solve for x
    x = 15,207,521.12/3,418.47
  6. Step 6: Final answer
    x = 4,448.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.