Home / 2,132.51-2,940.29-1,778.94

Finding the Fourth Proportional to 2,132.51, 2,940.29 and 1,778.94

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Solution

The fourth proportional to 2,132.51, 2,940.29 and 1,778.94 is: 2,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.51 : 2,940.29 = 1,778.94 : x
  2. Step 2: Convert to fraction form
    2,132.51/2,940.29 = 1,778.94/x
  3. Step 3: Cross multiply
    2,132.51x = 2,940.29 × 1,778.94
  4. Step 4: Simplify right side
    2,132.51x = 5,230,590.60
  5. Step 5: Solve for x
    x = 5,230,590.60/2,132.51
  6. Step 6: Final answer
    x = 2,452.79

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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.