Home / 3,627.39-5,000.36-2,840.07

Finding the Fourth Proportional to 3,627.39, 5,000.36 and 2,840.07

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Solution

The fourth proportional to 3,627.39, 5,000.36 and 2,840.07 is: 3,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.39 : 5,000.36 = 2,840.07 : x
  2. Step 2: Convert to fraction form
    3,627.39/5,000.36 = 2,840.07/x
  3. Step 3: Cross multiply
    3,627.39x = 5,000.36 × 2,840.07
  4. Step 4: Simplify right side
    3,627.39x = 14,201,358.22
  5. Step 5: Solve for x
    x = 14,201,358.22/3,627.39
  6. Step 6: Final answer
    x = 3,915.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.