Home / 2,835.29-3,909.06-2,076.68

Finding the Fourth Proportional to 2,835.29, 3,909.06 and 2,076.68

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Solution

The fourth proportional to 2,835.29, 3,909.06 and 2,076.68 is: 2,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.29 : 3,909.06 = 2,076.68 : x
  2. Step 2: Convert to fraction form
    2,835.29/3,909.06 = 2,076.68/x
  3. Step 3: Cross multiply
    2,835.29x = 3,909.06 × 2,076.68
  4. Step 4: Simplify right side
    2,835.29x = 8,117,847.18
  5. Step 5: Solve for x
    x = 8,117,847.18/2,835.29
  6. Step 6: Final answer
    x = 2,863.15

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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.