Home / 1,511.15-2,266.05-537.28

Finding the Fourth Proportional to 1,511.15, 2,266.05 and 537.28

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Solution

The fourth proportional to 1,511.15, 2,266.05 and 537.28 is: 805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.15 : 2,266.05 = 537.28 : x
  2. Step 2: Convert to fraction form
    1,511.15/2,266.05 = 537.28/x
  3. Step 3: Cross multiply
    1,511.15x = 2,266.05 × 537.28
  4. Step 4: Simplify right side
    1,511.15x = 1,217,500.66
  5. Step 5: Solve for x
    x = 1,217,500.66/1,511.15
  6. Step 6: Final answer
    x = 805.68

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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.