Home / 3,529.15-5,293.55-1,448.64

Finding the Fourth Proportional to 3,529.15, 5,293.55 and 1,448.64

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Solution

The fourth proportional to 3,529.15, 5,293.55 and 1,448.64 is: 2,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.15 : 5,293.55 = 1,448.64 : x
  2. Step 2: Convert to fraction form
    3,529.15/5,293.55 = 1,448.64/x
  3. Step 3: Cross multiply
    3,529.15x = 5,293.55 × 1,448.64
  4. Step 4: Simplify right side
    3,529.15x = 7,668,451.89
  5. Step 5: Solve for x
    x = 7,668,451.89/3,529.15
  6. Step 6: Final answer
    x = 2,172.89

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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.