Home / 3,147.19-4,343.42-1,749.94

Finding the Fourth Proportional to 3,147.19, 4,343.42 and 1,749.94

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Solution

The fourth proportional to 3,147.19, 4,343.42 and 1,749.94 is: 2,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.19 : 4,343.42 = 1,749.94 : x
  2. Step 2: Convert to fraction form
    3,147.19/4,343.42 = 1,749.94/x
  3. Step 3: Cross multiply
    3,147.19x = 4,343.42 × 1,749.94
  4. Step 4: Simplify right side
    3,147.19x = 7,600,717.91
  5. Step 5: Solve for x
    x = 7,600,717.91/3,147.19
  6. Step 6: Final answer
    x = 2,415.08

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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.