Home / 1,511.44-2,264.20-1,185.28

Finding the Fourth Proportional to 1,511.44, 2,264.20 and 1,185.28

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Solution

The fourth proportional to 1,511.44, 2,264.20 and 1,185.28 is: 1,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.44 : 2,264.20 = 1,185.28 : x
  2. Step 2: Convert to fraction form
    1,511.44/2,264.20 = 1,185.28/x
  3. Step 3: Cross multiply
    1,511.44x = 2,264.20 × 1,185.28
  4. Step 4: Simplify right side
    1,511.44x = 2,683,710.98
  5. Step 5: Solve for x
    x = 2,683,710.98/1,511.44
  6. Step 6: Final answer
    x = 1,775.60

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1.5x scale

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.