Home / 2,795.60-4,194.30-1,872.20

Finding the Fourth Proportional to 2,795.60, 4,194.30 and 1,872.20

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Solution

The fourth proportional to 2,795.60, 4,194.30 and 1,872.20 is: 2,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.60 : 4,194.30 = 1,872.20 : x
  2. Step 2: Convert to fraction form
    2,795.60/4,194.30 = 1,872.20/x
  3. Step 3: Cross multiply
    2,795.60x = 4,194.30 × 1,872.20
  4. Step 4: Simplify right side
    2,795.60x = 7,852,568.46
  5. Step 5: Solve for x
    x = 7,852,568.46/2,795.60
  6. Step 6: Final answer
    x = 2,808.90

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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.