Home / 2,582.25-3,874.14-1,487.40

Finding the Fourth Proportional to 2,582.25, 3,874.14 and 1,487.40

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Solution

The fourth proportional to 2,582.25, 3,874.14 and 1,487.40 is: 2,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.25 : 3,874.14 = 1,487.40 : x
  2. Step 2: Convert to fraction form
    2,582.25/3,874.14 = 1,487.40/x
  3. Step 3: Cross multiply
    2,582.25x = 3,874.14 × 1,487.40
  4. Step 4: Simplify right side
    2,582.25x = 5,762,395.84
  5. Step 5: Solve for x
    x = 5,762,395.84/2,582.25
  6. Step 6: Final answer
    x = 2,231.54

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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.