Home / 1,511.10-2,266.50-537.18

Finding the Fourth Proportional to 1,511.10, 2,266.50 and 537.18

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Solution

The fourth proportional to 1,511.10, 2,266.50 and 537.18 is: 805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.10 : 2,266.50 = 537.18 : x
  2. Step 2: Convert to fraction form
    1,511.10/2,266.50 = 537.18/x
  3. Step 3: Cross multiply
    1,511.10x = 2,266.50 × 537.18
  4. Step 4: Simplify right side
    1,511.10x = 1,217,518.47
  5. Step 5: Solve for x
    x = 1,217,518.47/1,511.10
  6. Step 6: Final answer
    x = 805.72

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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.