Home / 3,903.28-5,386.14-2,310.52

Finding the Fourth Proportional to 3,903.28, 5,386.14 and 2,310.52

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Solution

The fourth proportional to 3,903.28, 5,386.14 and 2,310.52 is: 3,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.28 : 5,386.14 = 2,310.52 : x
  2. Step 2: Convert to fraction form
    3,903.28/5,386.14 = 2,310.52/x
  3. Step 3: Cross multiply
    3,903.28x = 5,386.14 × 2,310.52
  4. Step 4: Simplify right side
    3,903.28x = 12,444,784.19
  5. Step 5: Solve for x
    x = 12,444,784.19/3,903.28
  6. Step 6: Final answer
    x = 3,188.29

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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.