Home / 3,579.48-5,368.54-2,890.18

Finding the Fourth Proportional to 3,579.48, 5,368.54 and 2,890.18

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Solution

The fourth proportional to 3,579.48, 5,368.54 and 2,890.18 is: 4,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.48 : 5,368.54 = 2,890.18 : x
  2. Step 2: Convert to fraction form
    3,579.48/5,368.54 = 2,890.18/x
  3. Step 3: Cross multiply
    3,579.48x = 5,368.54 × 2,890.18
  4. Step 4: Simplify right side
    3,579.48x = 15,516,046.94
  5. Step 5: Solve for x
    x = 15,516,046.94/3,579.48
  6. Step 6: Final answer
    x = 4,334.72

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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.