Home / 3,489.30-4,810.05-2,308.32

Finding the Fourth Proportional to 3,489.30, 4,810.05 and 2,308.32

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Solution

The fourth proportional to 3,489.30, 4,810.05 and 2,308.32 is: 3,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.30 : 4,810.05 = 2,308.32 : x
  2. Step 2: Convert to fraction form
    3,489.30/4,810.05 = 2,308.32/x
  3. Step 3: Cross multiply
    3,489.30x = 4,810.05 × 2,308.32
  4. Step 4: Simplify right side
    3,489.30x = 11,103,134.62
  5. Step 5: Solve for x
    x = 11,103,134.62/3,489.30
  6. Step 6: Final answer
    x = 3,182.05

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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.