Home / 2,933.68-4,046.96-1,989.15

Finding the Fourth Proportional to 2,933.68, 4,046.96 and 1,989.15

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Solution

The fourth proportional to 2,933.68, 4,046.96 and 1,989.15 is: 2,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.68 : 4,046.96 = 1,989.15 : x
  2. Step 2: Convert to fraction form
    2,933.68/4,046.96 = 1,989.15/x
  3. Step 3: Cross multiply
    2,933.68x = 4,046.96 × 1,989.15
  4. Step 4: Simplify right side
    2,933.68x = 8,050,015.46
  5. Step 5: Solve for x
    x = 8,050,015.46/2,933.68
  6. Step 6: Final answer
    x = 2,744.00

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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.