Home / 3,515.07-5,272.73-1,539.69

Finding the Fourth Proportional to 3,515.07, 5,272.73 and 1,539.69

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Solution

The fourth proportional to 3,515.07, 5,272.73 and 1,539.69 is: 2,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.07 : 5,272.73 = 1,539.69 : x
  2. Step 2: Convert to fraction form
    3,515.07/5,272.73 = 1,539.69/x
  3. Step 3: Cross multiply
    3,515.07x = 5,272.73 × 1,539.69
  4. Step 4: Simplify right side
    3,515.07x = 8,118,361.96
  5. Step 5: Solve for x
    x = 8,118,361.96/3,515.07
  6. Step 6: Final answer
    x = 2,309.59

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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.