Home / 2,641.12-3,961.28-1,664.24

Finding the Fourth Proportional to 2,641.12, 3,961.28 and 1,664.24

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Solution

The fourth proportional to 2,641.12, 3,961.28 and 1,664.24 is: 2,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.12 : 3,961.28 = 1,664.24 : x
  2. Step 2: Convert to fraction form
    2,641.12/3,961.28 = 1,664.24/x
  3. Step 3: Cross multiply
    2,641.12x = 3,961.28 × 1,664.24
  4. Step 4: Simplify right side
    2,641.12x = 6,592,520.63
  5. Step 5: Solve for x
    x = 6,592,520.63/2,641.12
  6. Step 6: Final answer
    x = 2,496.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.