Home / 1,511.61-2,267.51-587.18

Finding the Fourth Proportional to 1,511.61, 2,267.51 and 587.18

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Solution

The fourth proportional to 1,511.61, 2,267.51 and 587.18 is: 880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.61 : 2,267.51 = 587.18 : x
  2. Step 2: Convert to fraction form
    1,511.61/2,267.51 = 587.18/x
  3. Step 3: Cross multiply
    1,511.61x = 2,267.51 × 587.18
  4. Step 4: Simplify right side
    1,511.61x = 1,331,422.25
  5. Step 5: Solve for x
    x = 1,331,422.25/1,511.61
  6. Step 6: Final answer
    x = 880.80

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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.