Home / 1,511.32-2,266.50-536.92

Finding the Fourth Proportional to 1,511.32, 2,266.50 and 536.92

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Solution

The fourth proportional to 1,511.32, 2,266.50 and 536.92 is: 805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.32 : 2,266.50 = 536.92 : x
  2. Step 2: Convert to fraction form
    1,511.32/2,266.50 = 536.92/x
  3. Step 3: Cross multiply
    1,511.32x = 2,266.50 × 536.92
  4. Step 4: Simplify right side
    1,511.32x = 1,216,929.18
  5. Step 5: Solve for x
    x = 1,216,929.18/1,511.32
  6. Step 6: Final answer
    x = 805.21

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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.