Home / 2,219.06-3,062.29-1,224.34

Finding the Fourth Proportional to 2,219.06, 3,062.29 and 1,224.34

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Solution

The fourth proportional to 2,219.06, 3,062.29 and 1,224.34 is: 1,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.06 : 3,062.29 = 1,224.34 : x
  2. Step 2: Convert to fraction form
    2,219.06/3,062.29 = 1,224.34/x
  3. Step 3: Cross multiply
    2,219.06x = 3,062.29 × 1,224.34
  4. Step 4: Simplify right side
    2,219.06x = 3,749,284.14
  5. Step 5: Solve for x
    x = 3,749,284.14/2,219.06
  6. Step 6: Final answer
    x = 1,689.58

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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.