Home / 3,114.13-4,297.89-1,788.25

Finding the Fourth Proportional to 3,114.13, 4,297.89 and 1,788.25

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Solution

The fourth proportional to 3,114.13, 4,297.89 and 1,788.25 is: 2,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.13 : 4,297.89 = 1,788.25 : x
  2. Step 2: Convert to fraction form
    3,114.13/4,297.89 = 1,788.25/x
  3. Step 3: Cross multiply
    3,114.13x = 4,297.89 × 1,788.25
  4. Step 4: Simplify right side
    3,114.13x = 7,685,701.79
  5. Step 5: Solve for x
    x = 7,685,701.79/3,114.13
  6. Step 6: Final answer
    x = 2,468.01

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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.