Home / 2,158.08-3,222.30-1,924.80

Finding the Fourth Proportional to 2,158.08, 3,222.30 and 1,924.80

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Solution

The fourth proportional to 2,158.08, 3,222.30 and 1,924.80 is: 2,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.08 : 3,222.30 = 1,924.80 : x
  2. Step 2: Convert to fraction form
    2,158.08/3,222.30 = 1,924.80/x
  3. Step 3: Cross multiply
    2,158.08x = 3,222.30 × 1,924.80
  4. Step 4: Simplify right side
    2,158.08x = 6,202,283.04
  5. Step 5: Solve for x
    x = 6,202,283.04/2,158.08
  6. Step 6: Final answer
    x = 2,873.98

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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.