Home / 2,113.62-2,919.42-1,523.13

Finding the Fourth Proportional to 2,113.62, 2,919.42 and 1,523.13

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Solution

The fourth proportional to 2,113.62, 2,919.42 and 1,523.13 is: 2,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.62 : 2,919.42 = 1,523.13 : x
  2. Step 2: Convert to fraction form
    2,113.62/2,919.42 = 1,523.13/x
  3. Step 3: Cross multiply
    2,113.62x = 2,919.42 × 1,523.13
  4. Step 4: Simplify right side
    2,113.62x = 4,446,656.18
  5. Step 5: Solve for x
    x = 4,446,656.18/2,113.62
  6. Step 6: Final answer
    x = 2,103.81

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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.