Home / 1,946.16-2,919.66-713.56

Finding the Fourth Proportional to 1,946.16, 2,919.66 and 713.56

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Solution

The fourth proportional to 1,946.16, 2,919.66 and 713.56 is: 1,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.16 : 2,919.66 = 713.56 : x
  2. Step 2: Convert to fraction form
    1,946.16/2,919.66 = 713.56/x
  3. Step 3: Cross multiply
    1,946.16x = 2,919.66 × 713.56
  4. Step 4: Simplify right side
    1,946.16x = 2,083,352.59
  5. Step 5: Solve for x
    x = 2,083,352.59/1,946.16
  6. Step 6: Final answer
    x = 1,070.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.