Home / 3,163.74-4,365.95-1,766.49

Finding the Fourth Proportional to 3,163.74, 4,365.95 and 1,766.49

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Solution

The fourth proportional to 3,163.74, 4,365.95 and 1,766.49 is: 2,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.74 : 4,365.95 = 1,766.49 : x
  2. Step 2: Convert to fraction form
    3,163.74/4,365.95 = 1,766.49/x
  3. Step 3: Cross multiply
    3,163.74x = 4,365.95 × 1,766.49
  4. Step 4: Simplify right side
    3,163.74x = 7,712,398.18
  5. Step 5: Solve for x
    x = 7,712,398.18/3,163.74
  6. Step 6: Final answer
    x = 2,437.75

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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.