Home / 2,213.99-3,053.60-1,375.19

Finding the Fourth Proportional to 2,213.99, 3,053.60 and 1,375.19

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Solution

The fourth proportional to 2,213.99, 3,053.60 and 1,375.19 is: 1,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.99 : 3,053.60 = 1,375.19 : x
  2. Step 2: Convert to fraction form
    2,213.99/3,053.60 = 1,375.19/x
  3. Step 3: Cross multiply
    2,213.99x = 3,053.60 × 1,375.19
  4. Step 4: Simplify right side
    2,213.99x = 4,199,258.04
  5. Step 5: Solve for x
    x = 4,199,258.04/2,213.99
  6. Step 6: Final answer
    x = 1,896.70

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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.