Home / 3,585.48-5,379.60-1,395.75

Finding the Fourth Proportional to 3,585.48, 5,379.60 and 1,395.75

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Solution

The fourth proportional to 3,585.48, 5,379.60 and 1,395.75 is: 2,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.48 : 5,379.60 = 1,395.75 : x
  2. Step 2: Convert to fraction form
    3,585.48/5,379.60 = 1,395.75/x
  3. Step 3: Cross multiply
    3,585.48x = 5,379.60 × 1,395.75
  4. Step 4: Simplify right side
    3,585.48x = 7,508,576.70
  5. Step 5: Solve for x
    x = 7,508,576.70/3,585.48
  6. Step 6: Final answer
    x = 2,094.16

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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.