Home / 2,921.55-4,031.65-1,595.25

Finding the Fourth Proportional to 2,921.55, 4,031.65 and 1,595.25

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Solution

The fourth proportional to 2,921.55, 4,031.65 and 1,595.25 is: 2,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.55 : 4,031.65 = 1,595.25 : x
  2. Step 2: Convert to fraction form
    2,921.55/4,031.65 = 1,595.25/x
  3. Step 3: Cross multiply
    2,921.55x = 4,031.65 × 1,595.25
  4. Step 4: Simplify right side
    2,921.55x = 6,431,489.66
  5. Step 5: Solve for x
    x = 6,431,489.66/2,921.55
  6. Step 6: Final answer
    x = 2,201.40

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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.