Home / 2,795.12-4,192.60-1,151.20

Finding the Fourth Proportional to 2,795.12, 4,192.60 and 1,151.20

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Solution

The fourth proportional to 2,795.12, 4,192.60 and 1,151.20 is: 1,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.12 : 4,192.60 = 1,151.20 : x
  2. Step 2: Convert to fraction form
    2,795.12/4,192.60 = 1,151.20/x
  3. Step 3: Cross multiply
    2,795.12x = 4,192.60 × 1,151.20
  4. Step 4: Simplify right side
    2,795.12x = 4,826,521.12
  5. Step 5: Solve for x
    x = 4,826,521.12/2,795.12
  6. Step 6: Final answer
    x = 1,726.77

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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.