Home / 3,318.90-4,952.66-2,950.80

Finding the Fourth Proportional to 3,318.90, 4,952.66 and 2,950.80

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Solution

The fourth proportional to 3,318.90, 4,952.66 and 2,950.80 is: 4,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.90 : 4,952.66 = 2,950.80 : x
  2. Step 2: Convert to fraction form
    3,318.90/4,952.66 = 2,950.80/x
  3. Step 3: Cross multiply
    3,318.90x = 4,952.66 × 2,950.80
  4. Step 4: Simplify right side
    3,318.90x = 14,614,294.37
  5. Step 5: Solve for x
    x = 14,614,294.37/3,318.90
  6. Step 6: Final answer
    x = 4,403.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.