Home / 1,842.16-2,760.36-976.24

Finding the Fourth Proportional to 1,842.16, 2,760.36 and 976.24

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Solution

The fourth proportional to 1,842.16, 2,760.36 and 976.24 is: 1,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.16 : 2,760.36 = 976.24 : x
  2. Step 2: Convert to fraction form
    1,842.16/2,760.36 = 976.24/x
  3. Step 3: Cross multiply
    1,842.16x = 2,760.36 × 976.24
  4. Step 4: Simplify right side
    1,842.16x = 2,694,773.85
  5. Step 5: Solve for x
    x = 2,694,773.85/1,842.16
  6. Step 6: Final answer
    x = 1,462.83

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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.