Home / 2,389.07-3,582.26-1,898.61

Finding the Fourth Proportional to 2,389.07, 3,582.26 and 1,898.61

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Solution

The fourth proportional to 2,389.07, 3,582.26 and 1,898.61 is: 2,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.07 : 3,582.26 = 1,898.61 : x
  2. Step 2: Convert to fraction form
    2,389.07/3,582.26 = 1,898.61/x
  3. Step 3: Cross multiply
    2,389.07x = 3,582.26 × 1,898.61
  4. Step 4: Simplify right side
    2,389.07x = 6,801,314.66
  5. Step 5: Solve for x
    x = 6,801,314.66/2,389.07
  6. Step 6: Final answer
    x = 2,846.85

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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.