Home / 3,114.30-4,297.98-1,788.42

Finding the Fourth Proportional to 3,114.30, 4,297.98 and 1,788.42

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Solution

The fourth proportional to 3,114.30, 4,297.98 and 1,788.42 is: 2,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.30 : 4,297.98 = 1,788.42 : x
  2. Step 2: Convert to fraction form
    3,114.30/4,297.98 = 1,788.42/x
  3. Step 3: Cross multiply
    3,114.30x = 4,297.98 × 1,788.42
  4. Step 4: Simplify right side
    3,114.30x = 7,686,593.39
  5. Step 5: Solve for x
    x = 7,686,593.39/3,114.30
  6. Step 6: Final answer
    x = 2,468.16

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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.