Home / 2,158.85-3,239.19-1,064.44

Finding the Fourth Proportional to 2,158.85, 3,239.19 and 1,064.44

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Solution

The fourth proportional to 2,158.85, 3,239.19 and 1,064.44 is: 1,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.85 : 3,239.19 = 1,064.44 : x
  2. Step 2: Convert to fraction form
    2,158.85/3,239.19 = 1,064.44/x
  3. Step 3: Cross multiply
    2,158.85x = 3,239.19 × 1,064.44
  4. Step 4: Simplify right side
    2,158.85x = 3,447,927.45
  5. Step 5: Solve for x
    x = 3,447,927.45/2,158.85
  6. Step 6: Final answer
    x = 1,597.11

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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.