Home / 2,310.59-3,465.90-579.21

Finding the Fourth Proportional to 2,310.59, 3,465.90 and 579.21

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Solution

The fourth proportional to 2,310.59, 3,465.90 and 579.21 is: 868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.59 : 3,465.90 = 579.21 : x
  2. Step 2: Convert to fraction form
    2,310.59/3,465.90 = 579.21/x
  3. Step 3: Cross multiply
    2,310.59x = 3,465.90 × 579.21
  4. Step 4: Simplify right side
    2,310.59x = 2,007,483.94
  5. Step 5: Solve for x
    x = 2,007,483.94/2,310.59
  6. Step 6: Final answer
    x = 868.82

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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.