Home / 1,743.96-2,407.38-1,214.22

Finding the Fourth Proportional to 1,743.96, 2,407.38 and 1,214.22

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Solution

The fourth proportional to 1,743.96, 2,407.38 and 1,214.22 is: 1,676.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.96 : 2,407.38 = 1,214.22 : x
  2. Step 2: Convert to fraction form
    1,743.96/2,407.38 = 1,214.22/x
  3. Step 3: Cross multiply
    1,743.96x = 2,407.38 × 1,214.22
  4. Step 4: Simplify right side
    1,743.96x = 2,923,088.94
  5. Step 5: Solve for x
    x = 2,923,088.94/1,743.96
  6. Step 6: Final answer
    x = 1,676.12

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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.