Home / 3,782.10-5,673.15-2,615.70

Finding the Fourth Proportional to 3,782.10, 5,673.15 and 2,615.70

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Solution

The fourth proportional to 3,782.10, 5,673.15 and 2,615.70 is: 3,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.10 : 5,673.15 = 2,615.70 : x
  2. Step 2: Convert to fraction form
    3,782.10/5,673.15 = 2,615.70/x
  3. Step 3: Cross multiply
    3,782.10x = 5,673.15 × 2,615.70
  4. Step 4: Simplify right side
    3,782.10x = 14,839,258.46
  5. Step 5: Solve for x
    x = 14,839,258.46/3,782.10
  6. Step 6: Final answer
    x = 3,923.55

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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.