Home / 1,764.45-2,647.07-610.20

Finding the Fourth Proportional to 1,764.45, 2,647.07 and 610.20

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Solution

The fourth proportional to 1,764.45, 2,647.07 and 610.20 is: 915.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.45 : 2,647.07 = 610.20 : x
  2. Step 2: Convert to fraction form
    1,764.45/2,647.07 = 610.20/x
  3. Step 3: Cross multiply
    1,764.45x = 2,647.07 × 610.20
  4. Step 4: Simplify right side
    1,764.45x = 1,615,242.11
  5. Step 5: Solve for x
    x = 1,615,242.11/1,764.45
  6. Step 6: Final answer
    x = 915.44

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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.