Home / 3,759.02-5,638.11-1,293.50

Finding the Fourth Proportional to 3,759.02, 5,638.11 and 1,293.50

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Solution

The fourth proportional to 3,759.02, 5,638.11 and 1,293.50 is: 1,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.02 : 5,638.11 = 1,293.50 : x
  2. Step 2: Convert to fraction form
    3,759.02/5,638.11 = 1,293.50/x
  3. Step 3: Cross multiply
    3,759.02x = 5,638.11 × 1,293.50
  4. Step 4: Simplify right side
    3,759.02x = 7,292,867.09
  5. Step 5: Solve for x
    x = 7,292,867.09/3,759.02
  6. Step 6: Final answer
    x = 1,940.10

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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.