Home / 2,349.25-3,520.21-887.61

Finding the Fourth Proportional to 2,349.25, 3,520.21 and 887.61

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Solution

The fourth proportional to 2,349.25, 3,520.21 and 887.61 is: 1,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.25 : 3,520.21 = 887.61 : x
  2. Step 2: Convert to fraction form
    2,349.25/3,520.21 = 887.61/x
  3. Step 3: Cross multiply
    2,349.25x = 3,520.21 × 887.61
  4. Step 4: Simplify right side
    2,349.25x = 3,124,573.60
  5. Step 5: Solve for x
    x = 3,124,573.60/2,349.25
  6. Step 6: Final answer
    x = 1,330.03

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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.