Home / 3,719.19-5,135.94-2,395.17

Finding the Fourth Proportional to 3,719.19, 5,135.94 and 2,395.17

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Solution

The fourth proportional to 3,719.19, 5,135.94 and 2,395.17 is: 3,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.19 : 5,135.94 = 2,395.17 : x
  2. Step 2: Convert to fraction form
    3,719.19/5,135.94 = 2,395.17/x
  3. Step 3: Cross multiply
    3,719.19x = 5,135.94 × 2,395.17
  4. Step 4: Simplify right side
    3,719.19x = 12,301,449.41
  5. Step 5: Solve for x
    x = 12,301,449.41/3,719.19
  6. Step 6: Final answer
    x = 3,307.56

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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.