Home / 3,833.15-5,747.07-1,955.40

Finding the Fourth Proportional to 3,833.15, 5,747.07 and 1,955.40

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Solution

The fourth proportional to 3,833.15, 5,747.07 and 1,955.40 is: 2,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833.15 : 5,747.07 = 1,955.40 : x
  2. Step 2: Convert to fraction form
    3,833.15/5,747.07 = 1,955.40/x
  3. Step 3: Cross multiply
    3,833.15x = 5,747.07 × 1,955.40
  4. Step 4: Simplify right side
    3,833.15x = 11,237,811.20
  5. Step 5: Solve for x
    x = 11,237,811.20/3,833.15
  6. Step 6: Final answer
    x = 2,931.74

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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.