Home / 2,847.24-3,928.74-1,588.23

Finding the Fourth Proportional to 2,847.24, 3,928.74 and 1,588.23

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Solution

The fourth proportional to 2,847.24, 3,928.74 and 1,588.23 is: 2,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.24 : 3,928.74 = 1,588.23 : x
  2. Step 2: Convert to fraction form
    2,847.24/3,928.74 = 1,588.23/x
  3. Step 3: Cross multiply
    2,847.24x = 3,928.74 × 1,588.23
  4. Step 4: Simplify right side
    2,847.24x = 6,239,754.52
  5. Step 5: Solve for x
    x = 6,239,754.52/2,847.24
  6. Step 6: Final answer
    x = 2,191.51

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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.