Home / 3,116.84-4,301.28-1,719.59

Finding the Fourth Proportional to 3,116.84, 4,301.28 and 1,719.59

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Solution

The fourth proportional to 3,116.84, 4,301.28 and 1,719.59 is: 2,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.84 : 4,301.28 = 1,719.59 : x
  2. Step 2: Convert to fraction form
    3,116.84/4,301.28 = 1,719.59/x
  3. Step 3: Cross multiply
    3,116.84x = 4,301.28 × 1,719.59
  4. Step 4: Simplify right side
    3,116.84x = 7,396,416.57
  5. Step 5: Solve for x
    x = 7,396,416.57/3,116.84
  6. Step 6: Final answer
    x = 2,373.05

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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.