Home / 1,351.21-2,026.99-601.55

Finding the Fourth Proportional to 1,351.21, 2,026.99 and 601.55

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Solution

The fourth proportional to 1,351.21, 2,026.99 and 601.55 is: 902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.21 : 2,026.99 = 601.55 : x
  2. Step 2: Convert to fraction form
    1,351.21/2,026.99 = 601.55/x
  3. Step 3: Cross multiply
    1,351.21x = 2,026.99 × 601.55
  4. Step 4: Simplify right side
    1,351.21x = 1,219,335.83
  5. Step 5: Solve for x
    x = 1,219,335.83/1,351.21
  6. Step 6: Final answer
    x = 902.41

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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.