Home / 2,867.54-3,955.01-1,923.03

Finding the Fourth Proportional to 2,867.54, 3,955.01 and 1,923.03

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Solution

The fourth proportional to 2,867.54, 3,955.01 and 1,923.03 is: 2,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.54 : 3,955.01 = 1,923.03 : x
  2. Step 2: Convert to fraction form
    2,867.54/3,955.01 = 1,923.03/x
  3. Step 3: Cross multiply
    2,867.54x = 3,955.01 × 1,923.03
  4. Step 4: Simplify right side
    2,867.54x = 7,605,593.27
  5. Step 5: Solve for x
    x = 7,605,593.27/2,867.54
  6. Step 6: Final answer
    x = 2,652.31

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Double scale
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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.