Home / 1,415.35-2,122.17-593.20

Finding the Fourth Proportional to 1,415.35, 2,122.17 and 593.20

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Solution

The fourth proportional to 1,415.35, 2,122.17 and 593.20 is: 889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.35 : 2,122.17 = 593.20 : x
  2. Step 2: Convert to fraction form
    1,415.35/2,122.17 = 593.20/x
  3. Step 3: Cross multiply
    1,415.35x = 2,122.17 × 593.20
  4. Step 4: Simplify right side
    1,415.35x = 1,258,871.24
  5. Step 5: Solve for x
    x = 1,258,871.24/1,415.35
  6. Step 6: Final answer
    x = 889.44

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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.