Home / 4,208.78-5,808.06-2,345.78

Finding the Fourth Proportional to 4,208.78, 5,808.06 and 2,345.78

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Solution

The fourth proportional to 4,208.78, 5,808.06 and 2,345.78 is: 3,237.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.78 : 5,808.06 = 2,345.78 : x
  2. Step 2: Convert to fraction form
    4,208.78/5,808.06 = 2,345.78/x
  3. Step 3: Cross multiply
    4,208.78x = 5,808.06 × 2,345.78
  4. Step 4: Simplify right side
    4,208.78x = 13,624,430.99
  5. Step 5: Solve for x
    x = 13,624,430.99/4,208.78
  6. Step 6: Final answer
    x = 3,237.14

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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.