Home / 2,929.08-4,391.14-1,284.38

Finding the Fourth Proportional to 2,929.08, 4,391.14 and 1,284.38

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Solution

The fourth proportional to 2,929.08, 4,391.14 and 1,284.38 is: 1,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.08 : 4,391.14 = 1,284.38 : x
  2. Step 2: Convert to fraction form
    2,929.08/4,391.14 = 1,284.38/x
  3. Step 3: Cross multiply
    2,929.08x = 4,391.14 × 1,284.38
  4. Step 4: Simplify right side
    2,929.08x = 5,639,892.39
  5. Step 5: Solve for x
    x = 5,639,892.39/2,929.08
  6. Step 6: Final answer
    x = 1,925.48

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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.