Home / 2,834.02-3,909.87-2,089.75

Finding the Fourth Proportional to 2,834.02, 3,909.87 and 2,089.75

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Solution

The fourth proportional to 2,834.02, 3,909.87 and 2,089.75 is: 2,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.02 : 3,909.87 = 2,089.75 : x
  2. Step 2: Convert to fraction form
    2,834.02/3,909.87 = 2,089.75/x
  3. Step 3: Cross multiply
    2,834.02x = 3,909.87 × 2,089.75
  4. Step 4: Simplify right side
    2,834.02x = 8,170,650.83
  5. Step 5: Solve for x
    x = 8,170,650.83/2,834.02
  6. Step 6: Final answer
    x = 2,883.06

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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.