Home / 3,582.90-5,373.31-1,242.81

Finding the Fourth Proportional to 3,582.90, 5,373.31 and 1,242.81

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Solution

The fourth proportional to 3,582.90, 5,373.31 and 1,242.81 is: 1,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.90 : 5,373.31 = 1,242.81 : x
  2. Step 2: Convert to fraction form
    3,582.90/5,373.31 = 1,242.81/x
  3. Step 3: Cross multiply
    3,582.90x = 5,373.31 × 1,242.81
  4. Step 4: Simplify right side
    3,582.90x = 6,678,003.40
  5. Step 5: Solve for x
    x = 6,678,003.40/3,582.90
  6. Step 6: Final answer
    x = 1,863.85

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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.