Home / 3,909.04-5,864.91-1,719.34

Finding the Fourth Proportional to 3,909.04, 5,864.91 and 1,719.34

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Solution

The fourth proportional to 3,909.04, 5,864.91 and 1,719.34 is: 2,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.04 : 5,864.91 = 1,719.34 : x
  2. Step 2: Convert to fraction form
    3,909.04/5,864.91 = 1,719.34/x
  3. Step 3: Cross multiply
    3,909.04x = 5,864.91 × 1,719.34
  4. Step 4: Simplify right side
    3,909.04x = 10,083,774.36
  5. Step 5: Solve for x
    x = 10,083,774.36/3,909.04
  6. Step 6: Final answer
    x = 2,579.60

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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.