Home / 3,155.04-4,354.78-1,828.58

Finding the Fourth Proportional to 3,155.04, 4,354.78 and 1,828.58

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Solution

The fourth proportional to 3,155.04, 4,354.78 and 1,828.58 is: 2,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.04 : 4,354.78 = 1,828.58 : x
  2. Step 2: Convert to fraction form
    3,155.04/4,354.78 = 1,828.58/x
  3. Step 3: Cross multiply
    3,155.04x = 4,354.78 × 1,828.58
  4. Step 4: Simplify right side
    3,155.04x = 7,963,063.61
  5. Step 5: Solve for x
    x = 7,963,063.61/3,155.04
  6. Step 6: Final answer
    x = 2,523.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.