Home / 2,820.65-4,232.50-1,177.34

Finding the Fourth Proportional to 2,820.65, 4,232.50 and 1,177.34

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Solution

The fourth proportional to 2,820.65, 4,232.50 and 1,177.34 is: 1,766.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.65 : 4,232.50 = 1,177.34 : x
  2. Step 2: Convert to fraction form
    2,820.65/4,232.50 = 1,177.34/x
  3. Step 3: Cross multiply
    2,820.65x = 4,232.50 × 1,177.34
  4. Step 4: Simplify right side
    2,820.65x = 4,983,067.44
  5. Step 5: Solve for x
    x = 4,983,067.44/2,820.65
  6. Step 6: Final answer
    x = 1,766.64

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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.