Home / 2,933.58-4,398.80-1,288.23

Finding the Fourth Proportional to 2,933.58, 4,398.80 and 1,288.23

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Solution

The fourth proportional to 2,933.58, 4,398.80 and 1,288.23 is: 1,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.58 : 4,398.80 = 1,288.23 : x
  2. Step 2: Convert to fraction form
    2,933.58/4,398.80 = 1,288.23/x
  3. Step 3: Cross multiply
    2,933.58x = 4,398.80 × 1,288.23
  4. Step 4: Simplify right side
    2,933.58x = 5,666,659.68
  5. Step 5: Solve for x
    x = 5,666,659.68/2,933.58
  6. Step 6: Final answer
    x = 1,931.65

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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.