Home / 3,206.66-4,425.47-1,862.75

Finding the Fourth Proportional to 3,206.66, 4,425.47 and 1,862.75

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Solution

The fourth proportional to 3,206.66, 4,425.47 and 1,862.75 is: 2,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.66 : 4,425.47 = 1,862.75 : x
  2. Step 2: Convert to fraction form
    3,206.66/4,425.47 = 1,862.75/x
  3. Step 3: Cross multiply
    3,206.66x = 4,425.47 × 1,862.75
  4. Step 4: Simplify right side
    3,206.66x = 8,243,512.80
  5. Step 5: Solve for x
    x = 8,243,512.80/3,206.66
  6. Step 6: Final answer
    x = 2,570.75

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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.