Home / 1,584.60-2,375.97-1,326.21

Finding the Fourth Proportional to 1,584.60, 2,375.97 and 1,326.21

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Solution

The fourth proportional to 1,584.60, 2,375.97 and 1,326.21 is: 1,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.60 : 2,375.97 = 1,326.21 : x
  2. Step 2: Convert to fraction form
    1,584.60/2,375.97 = 1,326.21/x
  3. Step 3: Cross multiply
    1,584.60x = 2,375.97 × 1,326.21
  4. Step 4: Simplify right side
    1,584.60x = 3,151,035.17
  5. Step 5: Solve for x
    x = 3,151,035.17/1,584.60
  6. Step 6: Final answer
    x = 1,988.54

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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.