Home / 2,670.39-3,685.77-1,622.25

Finding the Fourth Proportional to 2,670.39, 3,685.77 and 1,622.25

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Solution

The fourth proportional to 2,670.39, 3,685.77 and 1,622.25 is: 2,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.39 : 3,685.77 = 1,622.25 : x
  2. Step 2: Convert to fraction form
    2,670.39/3,685.77 = 1,622.25/x
  3. Step 3: Cross multiply
    2,670.39x = 3,685.77 × 1,622.25
  4. Step 4: Simplify right side
    2,670.39x = 5,979,240.38
  5. Step 5: Solve for x
    x = 5,979,240.38/2,670.39
  6. Step 6: Final answer
    x = 2,239.09

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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.