Home / 1,742.06-2,402.94-1,144.59

Finding the Fourth Proportional to 1,742.06, 2,402.94 and 1,144.59

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Solution

The fourth proportional to 1,742.06, 2,402.94 and 1,144.59 is: 1,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.06 : 2,402.94 = 1,144.59 : x
  2. Step 2: Convert to fraction form
    1,742.06/2,402.94 = 1,144.59/x
  3. Step 3: Cross multiply
    1,742.06x = 2,402.94 × 1,144.59
  4. Step 4: Simplify right side
    1,742.06x = 2,750,381.09
  5. Step 5: Solve for x
    x = 2,750,381.09/1,742.06
  6. Step 6: Final answer
    x = 1,578.81

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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.