Home / 3,719.38-5,133.89-2,393.09

Finding the Fourth Proportional to 3,719.38, 5,133.89 and 2,393.09

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Solution

The fourth proportional to 3,719.38, 5,133.89 and 2,393.09 is: 3,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.38 : 5,133.89 = 2,393.09 : x
  2. Step 2: Convert to fraction form
    3,719.38/5,133.89 = 2,393.09/x
  3. Step 3: Cross multiply
    3,719.38x = 5,133.89 × 2,393.09
  4. Step 4: Simplify right side
    3,719.38x = 12,285,823.19
  5. Step 5: Solve for x
    x = 12,285,823.19/3,719.38
  6. Step 6: Final answer
    x = 3,303.19

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1.5x scale

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.