Home / 3,530.86-5,291.70-1,448.45

Finding the Fourth Proportional to 3,530.86, 5,291.70 and 1,448.45

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Solution

The fourth proportional to 3,530.86, 5,291.70 and 1,448.45 is: 2,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.86 : 5,291.70 = 1,448.45 : x
  2. Step 2: Convert to fraction form
    3,530.86/5,291.70 = 1,448.45/x
  3. Step 3: Cross multiply
    3,530.86x = 5,291.70 × 1,448.45
  4. Step 4: Simplify right side
    3,530.86x = 7,664,762.87
  5. Step 5: Solve for x
    x = 7,664,762.87/3,530.86
  6. Step 6: Final answer
    x = 2,170.79

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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.