Home / 3,584.43-5,374.55-1,390.59

Finding the Fourth Proportional to 3,584.43, 5,374.55 and 1,390.59

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Solution

The fourth proportional to 3,584.43, 5,374.55 and 1,390.59 is: 2,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.43 : 5,374.55 = 1,390.59 : x
  2. Step 2: Convert to fraction form
    3,584.43/5,374.55 = 1,390.59/x
  3. Step 3: Cross multiply
    3,584.43x = 5,374.55 × 1,390.59
  4. Step 4: Simplify right side
    3,584.43x = 7,473,788.53
  5. Step 5: Solve for x
    x = 7,473,788.53/3,584.43
  6. Step 6: Final answer
    x = 2,085.07

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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.