Home / 3,458.28-5,184.51-1,608.45

Finding the Fourth Proportional to 3,458.28, 5,184.51 and 1,608.45

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Solution

The fourth proportional to 3,458.28, 5,184.51 and 1,608.45 is: 2,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.28 : 5,184.51 = 1,608.45 : x
  2. Step 2: Convert to fraction form
    3,458.28/5,184.51 = 1,608.45/x
  3. Step 3: Cross multiply
    3,458.28x = 5,184.51 × 1,608.45
  4. Step 4: Simplify right side
    3,458.28x = 8,339,025.11
  5. Step 5: Solve for x
    x = 8,339,025.11/3,458.28
  6. Step 6: Final answer
    x = 2,411.32

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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.