Home / 2,859.24-4,286.34-1,883.28

Finding the Fourth Proportional to 2,859.24, 4,286.34 and 1,883.28

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Solution

The fourth proportional to 2,859.24, 4,286.34 and 1,883.28 is: 2,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.24 : 4,286.34 = 1,883.28 : x
  2. Step 2: Convert to fraction form
    2,859.24/4,286.34 = 1,883.28/x
  3. Step 3: Cross multiply
    2,859.24x = 4,286.34 × 1,883.28
  4. Step 4: Simplify right side
    2,859.24x = 8,072,378.40
  5. Step 5: Solve for x
    x = 8,072,378.40/2,859.24
  6. Step 6: Final answer
    x = 2,823.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.