Home / 3,622.75-4,999.40-1,966.75

Finding the Fourth Proportional to 3,622.75, 4,999.40 and 1,966.75

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Solution

The fourth proportional to 3,622.75, 4,999.40 and 1,966.75 is: 2,714.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.75 : 4,999.40 = 1,966.75 : x
  2. Step 2: Convert to fraction form
    3,622.75/4,999.40 = 1,966.75/x
  3. Step 3: Cross multiply
    3,622.75x = 4,999.40 × 1,966.75
  4. Step 4: Simplify right side
    3,622.75x = 9,832,569.95
  5. Step 5: Solve for x
    x = 9,832,569.95/3,622.75
  6. Step 6: Final answer
    x = 2,714.12

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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.