Home / 2,867.54-3,954.61-1,858.22

Finding the Fourth Proportional to 2,867.54, 3,954.61 and 1,858.22

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Solution

The fourth proportional to 2,867.54, 3,954.61 and 1,858.22 is: 2,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.54 : 3,954.61 = 1,858.22 : x
  2. Step 2: Convert to fraction form
    2,867.54/3,954.61 = 1,858.22/x
  3. Step 3: Cross multiply
    2,867.54x = 3,954.61 × 1,858.22
  4. Step 4: Simplify right side
    2,867.54x = 7,348,535.39
  5. Step 5: Solve for x
    x = 7,348,535.39/2,867.54
  6. Step 6: Final answer
    x = 2,562.66

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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.