Home / 4,208.75-5,808.11-2,320.40

Finding the Fourth Proportional to 4,208.75, 5,808.11 and 2,320.40

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Solution

The fourth proportional to 4,208.75, 5,808.11 and 2,320.40 is: 3,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.75 : 5,808.11 = 2,320.40 : x
  2. Step 2: Convert to fraction form
    4,208.75/5,808.11 = 2,320.40/x
  3. Step 3: Cross multiply
    4,208.75x = 5,808.11 × 2,320.40
  4. Step 4: Simplify right side
    4,208.75x = 13,477,140.52
  5. Step 5: Solve for x
    x = 13,477,140.52/4,208.75
  6. Step 6: Final answer
    x = 3,202.17

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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.