Home / 2,439.64-3,363.42-1,739.80

Finding the Fourth Proportional to 2,439.64, 3,363.42 and 1,739.80

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Solution

The fourth proportional to 2,439.64, 3,363.42 and 1,739.80 is: 2,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.64 : 3,363.42 = 1,739.80 : x
  2. Step 2: Convert to fraction form
    2,439.64/3,363.42 = 1,739.80/x
  3. Step 3: Cross multiply
    2,439.64x = 3,363.42 × 1,739.80
  4. Step 4: Simplify right side
    2,439.64x = 5,851,678.12
  5. Step 5: Solve for x
    x = 5,851,678.12/2,439.64
  6. Step 6: Final answer
    x = 2,398.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.