Home / 3,511.81-5,268.02-914.75

Finding the Fourth Proportional to 3,511.81, 5,268.02 and 914.75

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Solution

The fourth proportional to 3,511.81, 5,268.02 and 914.75 is: 1,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.81 : 5,268.02 = 914.75 : x
  2. Step 2: Convert to fraction form
    3,511.81/5,268.02 = 914.75/x
  3. Step 3: Cross multiply
    3,511.81x = 5,268.02 × 914.75
  4. Step 4: Simplify right side
    3,511.81x = 4,818,923.58
  5. Step 5: Solve for x
    x = 4,818,923.58/3,511.81
  6. Step 6: Final answer
    x = 1,372.20

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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.