Home / 3,719.05-5,135.76-2,395.06

Finding the Fourth Proportional to 3,719.05, 5,135.76 and 2,395.06

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Solution

The fourth proportional to 3,719.05, 5,135.76 and 2,395.06 is: 3,307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.05 : 5,135.76 = 2,395.06 : x
  2. Step 2: Convert to fraction form
    3,719.05/5,135.76 = 2,395.06/x
  3. Step 3: Cross multiply
    3,719.05x = 5,135.76 × 2,395.06
  4. Step 4: Simplify right side
    3,719.05x = 12,300,453.35
  5. Step 5: Solve for x
    x = 12,300,453.35/3,719.05
  6. Step 6: Final answer
    x = 3,307.42

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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.