Home / 2,867.24-3,955.12-1,803.33

Finding the Fourth Proportional to 2,867.24, 3,955.12 and 1,803.33

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Solution

The fourth proportional to 2,867.24, 3,955.12 and 1,803.33 is: 2,487.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.24 : 3,955.12 = 1,803.33 : x
  2. Step 2: Convert to fraction form
    2,867.24/3,955.12 = 1,803.33/x
  3. Step 3: Cross multiply
    2,867.24x = 3,955.12 × 1,803.33
  4. Step 4: Simplify right side
    2,867.24x = 7,132,382.04
  5. Step 5: Solve for x
    x = 7,132,382.04/2,867.24
  6. Step 6: Final answer
    x = 2,487.54

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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.