Home / 3,759.41-5,639.21-1,294.36

Finding the Fourth Proportional to 3,759.41, 5,639.21 and 1,294.36

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Solution

The fourth proportional to 3,759.41, 5,639.21 and 1,294.36 is: 1,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.41 : 5,639.21 = 1,294.36 : x
  2. Step 2: Convert to fraction form
    3,759.41/5,639.21 = 1,294.36/x
  3. Step 3: Cross multiply
    3,759.41x = 5,639.21 × 1,294.36
  4. Step 4: Simplify right side
    3,759.41x = 7,299,167.86
  5. Step 5: Solve for x
    x = 7,299,167.86/3,759.41
  6. Step 6: Final answer
    x = 1,941.57

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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.