Home / 3,580.14-5,370.72-1,359.81

Finding the Fourth Proportional to 3,580.14, 5,370.72 and 1,359.81

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Solution

The fourth proportional to 3,580.14, 5,370.72 and 1,359.81 is: 2,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.14 : 5,370.72 = 1,359.81 : x
  2. Step 2: Convert to fraction form
    3,580.14/5,370.72 = 1,359.81/x
  3. Step 3: Cross multiply
    3,580.14x = 5,370.72 × 1,359.81
  4. Step 4: Simplify right side
    3,580.14x = 7,303,158.76
  5. Step 5: Solve for x
    x = 7,303,158.76/3,580.14
  6. Step 6: Final answer
    x = 2,039.91

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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.