Home / 4,121.87-5,688.28-2,353.64

Finding the Fourth Proportional to 4,121.87, 5,688.28 and 2,353.64

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Solution

The fourth proportional to 4,121.87, 5,688.28 and 2,353.64 is: 3,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.87 : 5,688.28 = 2,353.64 : x
  2. Step 2: Convert to fraction form
    4,121.87/5,688.28 = 2,353.64/x
  3. Step 3: Cross multiply
    4,121.87x = 5,688.28 × 2,353.64
  4. Step 4: Simplify right side
    4,121.87x = 13,388,163.34
  5. Step 5: Solve for x
    x = 13,388,163.34/4,121.87
  6. Step 6: Final answer
    x = 3,248.08

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1.5x scale

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.