Home / 3,719.63-5,580.38-2,626.13

Finding the Fourth Proportional to 3,719.63, 5,580.38 and 2,626.13

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Solution

The fourth proportional to 3,719.63, 5,580.38 and 2,626.13 is: 3,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.63 : 5,580.38 = 2,626.13 : x
  2. Step 2: Convert to fraction form
    3,719.63/5,580.38 = 2,626.13/x
  3. Step 3: Cross multiply
    3,719.63x = 5,580.38 × 2,626.13
  4. Step 4: Simplify right side
    3,719.63x = 14,654,809.89
  5. Step 5: Solve for x
    x = 14,654,809.89/3,719.63
  6. Step 6: Final answer
    x = 3,939.86

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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.