Home / 2,863.60-4,296.09-1,401.05

Finding the Fourth Proportional to 2,863.60, 4,296.09 and 1,401.05

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Solution

The fourth proportional to 2,863.60, 4,296.09 and 1,401.05 is: 2,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.60 : 4,296.09 = 1,401.05 : x
  2. Step 2: Convert to fraction form
    2,863.60/4,296.09 = 1,401.05/x
  3. Step 3: Cross multiply
    2,863.60x = 4,296.09 × 1,401.05
  4. Step 4: Simplify right side
    2,863.60x = 6,019,020.84
  5. Step 5: Solve for x
    x = 6,019,020.84/2,863.60
  6. Step 6: Final answer
    x = 2,101.90

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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.