Home / 3,607.75-4,979.71-2,415.03

Finding the Fourth Proportional to 3,607.75, 4,979.71 and 2,415.03

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Solution

The fourth proportional to 3,607.75, 4,979.71 and 2,415.03 is: 3,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.75 : 4,979.71 = 2,415.03 : x
  2. Step 2: Convert to fraction form
    3,607.75/4,979.71 = 2,415.03/x
  3. Step 3: Cross multiply
    3,607.75x = 4,979.71 × 2,415.03
  4. Step 4: Simplify right side
    3,607.75x = 12,026,149.04
  5. Step 5: Solve for x
    x = 12,026,149.04/3,607.75
  6. Step 6: Final answer
    x = 3,333.42

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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.