Home / 2,323.61-3,207.05-1,379.91

Finding the Fourth Proportional to 2,323.61, 3,207.05 and 1,379.91

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Solution

The fourth proportional to 2,323.61, 3,207.05 and 1,379.91 is: 1,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.61 : 3,207.05 = 1,379.91 : x
  2. Step 2: Convert to fraction form
    2,323.61/3,207.05 = 1,379.91/x
  3. Step 3: Cross multiply
    2,323.61x = 3,207.05 × 1,379.91
  4. Step 4: Simplify right side
    2,323.61x = 4,425,440.37
  5. Step 5: Solve for x
    x = 4,425,440.37/2,323.61
  6. Step 6: Final answer
    x = 1,904.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.