Home / 3,289.90-4,540.08-2,110.98

Finding the Fourth Proportional to 3,289.90, 4,540.08 and 2,110.98

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Solution

The fourth proportional to 3,289.90, 4,540.08 and 2,110.98 is: 2,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.90 : 4,540.08 = 2,110.98 : x
  2. Step 2: Convert to fraction form
    3,289.90/4,540.08 = 2,110.98/x
  3. Step 3: Cross multiply
    3,289.90x = 4,540.08 × 2,110.98
  4. Step 4: Simplify right side
    3,289.90x = 9,584,018.08
  5. Step 5: Solve for x
    x = 9,584,018.08/3,289.90
  6. Step 6: Final answer
    x = 2,913.16

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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.