Home / 4,122.28-5,688.87-2,329.84

Finding the Fourth Proportional to 4,122.28, 5,688.87 and 2,329.84

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Solution

The fourth proportional to 4,122.28, 5,688.87 and 2,329.84 is: 3,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.28 : 5,688.87 = 2,329.84 : x
  2. Step 2: Convert to fraction form
    4,122.28/5,688.87 = 2,329.84/x
  3. Step 3: Cross multiply
    4,122.28x = 5,688.87 × 2,329.84
  4. Step 4: Simplify right side
    4,122.28x = 13,254,156.88
  5. Step 5: Solve for x
    x = 13,254,156.88/4,122.28
  6. Step 6: Final answer
    x = 3,215.25

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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.