Home / 4,298.98-6,442.38-1,831.30

Finding the Fourth Proportional to 4,298.98, 6,442.38 and 1,831.30

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Solution

The fourth proportional to 4,298.98, 6,442.38 and 1,831.30 is: 2,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.98 : 6,442.38 = 1,831.30 : x
  2. Step 2: Convert to fraction form
    4,298.98/6,442.38 = 1,831.30/x
  3. Step 3: Cross multiply
    4,298.98x = 6,442.38 × 1,831.30
  4. Step 4: Simplify right side
    4,298.98x = 11,797,930.49
  5. Step 5: Solve for x
    x = 11,797,930.49/4,298.98
  6. Step 6: Final answer
    x = 2,744.36

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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.