Home / 2,863.19-4,287.50-1,886.33

Finding the Fourth Proportional to 2,863.19, 4,287.50 and 1,886.33

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Solution

The fourth proportional to 2,863.19, 4,287.50 and 1,886.33 is: 2,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.19 : 4,287.50 = 1,886.33 : x
  2. Step 2: Convert to fraction form
    2,863.19/4,287.50 = 1,886.33/x
  3. Step 3: Cross multiply
    2,863.19x = 4,287.50 × 1,886.33
  4. Step 4: Simplify right side
    2,863.19x = 8,087,648.24
  5. Step 5: Solve for x
    x = 8,087,648.24/2,863.19
  6. Step 6: Final answer
    x = 2,824.70

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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.