Home / 2,749.64-3,794.29-1,570.55

Finding the Fourth Proportional to 2,749.64, 3,794.29 and 1,570.55

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Solution

The fourth proportional to 2,749.64, 3,794.29 and 1,570.55 is: 2,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.64 : 3,794.29 = 1,570.55 : x
  2. Step 2: Convert to fraction form
    2,749.64/3,794.29 = 1,570.55/x
  3. Step 3: Cross multiply
    2,749.64x = 3,794.29 × 1,570.55
  4. Step 4: Simplify right side
    2,749.64x = 5,959,099.26
  5. Step 5: Solve for x
    x = 5,959,099.26/2,749.64
  6. Step 6: Final answer
    x = 2,167.23

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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.