Home / 2,631.25-3,948.45-1,522.09

Finding the Fourth Proportional to 2,631.25, 3,948.45 and 1,522.09

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Solution

The fourth proportional to 2,631.25, 3,948.45 and 1,522.09 is: 2,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.25 : 3,948.45 = 1,522.09 : x
  2. Step 2: Convert to fraction form
    2,631.25/3,948.45 = 1,522.09/x
  3. Step 3: Cross multiply
    2,631.25x = 3,948.45 × 1,522.09
  4. Step 4: Simplify right side
    2,631.25x = 6,009,896.26
  5. Step 5: Solve for x
    x = 6,009,896.26/2,631.25
  6. Step 6: Final answer
    x = 2,284.05

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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.