Home / 2,291.42-3,160.48-1,493.26

Finding the Fourth Proportional to 2,291.42, 3,160.48 and 1,493.26

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Solution

The fourth proportional to 2,291.42, 3,160.48 and 1,493.26 is: 2,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.42 : 3,160.48 = 1,493.26 : x
  2. Step 2: Convert to fraction form
    2,291.42/3,160.48 = 1,493.26/x
  3. Step 3: Cross multiply
    2,291.42x = 3,160.48 × 1,493.26
  4. Step 4: Simplify right side
    2,291.42x = 4,719,418.36
  5. Step 5: Solve for x
    x = 4,719,418.36/2,291.42
  6. Step 6: Final answer
    x = 2,059.60

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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.