Home / 2,921.41-4,031.54-1,595.11

Finding the Fourth Proportional to 2,921.41, 4,031.54 and 1,595.11

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Solution

The fourth proportional to 2,921.41, 4,031.54 and 1,595.11 is: 2,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.41 : 4,031.54 = 1,595.11 : x
  2. Step 2: Convert to fraction form
    2,921.41/4,031.54 = 1,595.11/x
  3. Step 3: Cross multiply
    2,921.41x = 4,031.54 × 1,595.11
  4. Step 4: Simplify right side
    2,921.41x = 6,430,769.88
  5. Step 5: Solve for x
    x = 6,430,769.88/2,921.41
  6. Step 6: Final answer
    x = 2,201.26

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1.5x scale

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.