Home / 2,921.64-4,031.57-1,662.59

Finding the Fourth Proportional to 2,921.64, 4,031.57 and 1,662.59

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Solution

The fourth proportional to 2,921.64, 4,031.57 and 1,662.59 is: 2,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.64 : 4,031.57 = 1,662.59 : x
  2. Step 2: Convert to fraction form
    2,921.64/4,031.57 = 1,662.59/x
  3. Step 3: Cross multiply
    2,921.64x = 4,031.57 × 1,662.59
  4. Step 4: Simplify right side
    2,921.64x = 6,702,862.20
  5. Step 5: Solve for x
    x = 6,702,862.20/2,921.64
  6. Step 6: Final answer
    x = 2,294.22

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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.