Home / 3,389.27-5,093.93-2,808

Finding the Fourth Proportional to 3,389.27, 5,093.93 and 2,808

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Solution

The fourth proportional to 3,389.27, 5,093.93 and 2,808 is: 4,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.27 : 5,093.93 = 2,808 : x
  2. Step 2: Convert to fraction form
    3,389.27/5,093.93 = 2,808/x
  3. Step 3: Cross multiply
    3,389.27x = 5,093.93 × 2,808
  4. Step 4: Simplify right side
    3,389.27x = 14,303,762.46
  5. Step 5: Solve for x
    x = 14,303,762.46/3,389.27
  6. Step 6: Final answer
    x = 4,220.31

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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.