Home / 3,114.48-4,297.92-1,698.12

Finding the Fourth Proportional to 3,114.48, 4,297.92 and 1,698.12

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Solution

The fourth proportional to 3,114.48, 4,297.92 and 1,698.12 is: 2,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.48 : 4,297.92 = 1,698.12 : x
  2. Step 2: Convert to fraction form
    3,114.48/4,297.92 = 1,698.12/x
  3. Step 3: Cross multiply
    3,114.48x = 4,297.92 × 1,698.12
  4. Step 4: Simplify right side
    3,114.48x = 7,298,383.91
  5. Step 5: Solve for x
    x = 7,298,383.91/3,114.48
  6. Step 6: Final answer
    x = 2,343.37

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1.5x scale

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.