Home / 2,921.59-4,031.74-1,595.31

Finding the Fourth Proportional to 2,921.59, 4,031.74 and 1,595.31

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Solution

The fourth proportional to 2,921.59, 4,031.74 and 1,595.31 is: 2,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.59 : 4,031.74 = 1,595.31 : x
  2. Step 2: Convert to fraction form
    2,921.59/4,031.74 = 1,595.31/x
  3. Step 3: Cross multiply
    2,921.59x = 4,031.74 × 1,595.31
  4. Step 4: Simplify right side
    2,921.59x = 6,431,875.14
  5. Step 5: Solve for x
    x = 6,431,875.14/2,921.59
  6. Step 6: Final answer
    x = 2,201.50

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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.