Home / 2,692.56-4,031.64-1,581.06

Finding the Fourth Proportional to 2,692.56, 4,031.64 and 1,581.06

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Solution

The fourth proportional to 2,692.56, 4,031.64 and 1,581.06 is: 2,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.56 : 4,031.64 = 1,581.06 : x
  2. Step 2: Convert to fraction form
    2,692.56/4,031.64 = 1,581.06/x
  3. Step 3: Cross multiply
    2,692.56x = 4,031.64 × 1,581.06
  4. Step 4: Simplify right side
    2,692.56x = 6,374,264.74
  5. Step 5: Solve for x
    x = 6,374,264.74/2,692.56
  6. Step 6: Final answer
    x = 2,367.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.