Home / 3,287.14-4,535.09-2,108.86

Finding the Fourth Proportional to 3,287.14, 4,535.09 and 2,108.86

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Solution

The fourth proportional to 3,287.14, 4,535.09 and 2,108.86 is: 2,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.14 : 4,535.09 = 2,108.86 : x
  2. Step 2: Convert to fraction form
    3,287.14/4,535.09 = 2,108.86/x
  3. Step 3: Cross multiply
    3,287.14x = 4,535.09 × 2,108.86
  4. Step 4: Simplify right side
    3,287.14x = 9,563,848.02
  5. Step 5: Solve for x
    x = 9,563,848.02/3,287.14
  6. Step 6: Final answer
    x = 2,909.48

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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.