Home / 3,521.25-5,281.94-1,331.01

Finding the Fourth Proportional to 3,521.25, 5,281.94 and 1,331.01

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Solution

The fourth proportional to 3,521.25, 5,281.94 and 1,331.01 is: 1,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.25 : 5,281.94 = 1,331.01 : x
  2. Step 2: Convert to fraction form
    3,521.25/5,281.94 = 1,331.01/x
  3. Step 3: Cross multiply
    3,521.25x = 5,281.94 × 1,331.01
  4. Step 4: Simplify right side
    3,521.25x = 7,030,318.29
  5. Step 5: Solve for x
    x = 7,030,318.29/3,521.25
  6. Step 6: Final answer
    x = 1,996.54

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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.