Home / 2,921.18-4,031.28-1,595.00

Finding the Fourth Proportional to 2,921.18, 4,031.28 and 1,595.00

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Solution

The fourth proportional to 2,921.18, 4,031.28 and 1,595.00 is: 2,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.18 : 4,031.28 = 1,595.00 : x
  2. Step 2: Convert to fraction form
    2,921.18/4,031.28 = 1,595.00/x
  3. Step 3: Cross multiply
    2,921.18x = 4,031.28 × 1,595.00
  4. Step 4: Simplify right side
    2,921.18x = 6,429,871.44
  5. Step 5: Solve for x
    x = 6,429,871.44/2,921.18
  6. Step 6: Final answer
    x = 2,201.13

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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.