Home / 3,511.17-5,266.69-1,047.66

Finding the Fourth Proportional to 3,511.17, 5,266.69 and 1,047.66

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Solution

The fourth proportional to 3,511.17, 5,266.69 and 1,047.66 is: 1,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.17 : 5,266.69 = 1,047.66 : x
  2. Step 2: Convert to fraction form
    3,511.17/5,266.69 = 1,047.66/x
  3. Step 3: Cross multiply
    3,511.17x = 5,266.69 × 1,047.66
  4. Step 4: Simplify right side
    3,511.17x = 5,517,700.45
  5. Step 5: Solve for x
    x = 5,517,700.45/3,511.17
  6. Step 6: Final answer
    x = 1,571.47

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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.