Home / 3,583.60-5,373.46-1,391.74

Finding the Fourth Proportional to 3,583.60, 5,373.46 and 1,391.74

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Solution

The fourth proportional to 3,583.60, 5,373.46 and 1,391.74 is: 2,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.60 : 5,373.46 = 1,391.74 : x
  2. Step 2: Convert to fraction form
    3,583.60/5,373.46 = 1,391.74/x
  3. Step 3: Cross multiply
    3,583.60x = 5,373.46 × 1,391.74
  4. Step 4: Simplify right side
    3,583.60x = 7,478,459.22
  5. Step 5: Solve for x
    x = 7,478,459.22/3,583.60
  6. Step 6: Final answer
    x = 2,086.86

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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.