Home / 2,347.04-3,521.78-961.28

Finding the Fourth Proportional to 2,347.04, 3,521.78 and 961.28

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Solution

The fourth proportional to 2,347.04, 3,521.78 and 961.28 is: 1,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.04 : 3,521.78 = 961.28 : x
  2. Step 2: Convert to fraction form
    2,347.04/3,521.78 = 961.28/x
  3. Step 3: Cross multiply
    2,347.04x = 3,521.78 × 961.28
  4. Step 4: Simplify right side
    2,347.04x = 3,385,416.68
  5. Step 5: Solve for x
    x = 3,385,416.68/2,347.04
  6. Step 6: Final answer
    x = 1,442.42

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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.