Home / 2,338.10-3,523.28-1,936.30

Finding the Fourth Proportional to 2,338.10, 3,523.28 and 1,936.30

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Solution

The fourth proportional to 2,338.10, 3,523.28 and 1,936.30 is: 2,917.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.10 : 3,523.28 = 1,936.30 : x
  2. Step 2: Convert to fraction form
    2,338.10/3,523.28 = 1,936.30/x
  3. Step 3: Cross multiply
    2,338.10x = 3,523.28 × 1,936.30
  4. Step 4: Simplify right side
    2,338.10x = 6,822,117.38
  5. Step 5: Solve for x
    x = 6,822,117.38/2,338.10
  6. Step 6: Final answer
    x = 2,917.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.