Home / 3,862.96-5,783.91-2,690.08

Finding the Fourth Proportional to 3,862.96, 5,783.91 and 2,690.08

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Solution

The fourth proportional to 3,862.96, 5,783.91 and 2,690.08 is: 4,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.96 : 5,783.91 = 2,690.08 : x
  2. Step 2: Convert to fraction form
    3,862.96/5,783.91 = 2,690.08/x
  3. Step 3: Cross multiply
    3,862.96x = 5,783.91 × 2,690.08
  4. Step 4: Simplify right side
    3,862.96x = 15,559,180.61
  5. Step 5: Solve for x
    x = 15,559,180.61/3,862.96
  6. Step 6: Final answer
    x = 4,027.79

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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.