Home / 3,627.26-5,441.02-1,287.64

Finding the Fourth Proportional to 3,627.26, 5,441.02 and 1,287.64

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Solution

The fourth proportional to 3,627.26, 5,441.02 and 1,287.64 is: 1,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.26 : 5,441.02 = 1,287.64 : x
  2. Step 2: Convert to fraction form
    3,627.26/5,441.02 = 1,287.64/x
  3. Step 3: Cross multiply
    3,627.26x = 5,441.02 × 1,287.64
  4. Step 4: Simplify right side
    3,627.26x = 7,006,074.99
  5. Step 5: Solve for x
    x = 7,006,074.99/3,627.26
  6. Step 6: Final answer
    x = 1,931.51

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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.