Home / 1,511.23-2,265.46-587.41

Finding the Fourth Proportional to 1,511.23, 2,265.46 and 587.41

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Solution

The fourth proportional to 1,511.23, 2,265.46 and 587.41 is: 880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.23 : 2,265.46 = 587.41 : x
  2. Step 2: Convert to fraction form
    1,511.23/2,265.46 = 587.41/x
  3. Step 3: Cross multiply
    1,511.23x = 2,265.46 × 587.41
  4. Step 4: Simplify right side
    1,511.23x = 1,330,753.86
  5. Step 5: Solve for x
    x = 1,330,753.86/1,511.23
  6. Step 6: Final answer
    x = 880.58

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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.