Home / 3,616.08-5,420.52-1,669.32

Finding the Fourth Proportional to 3,616.08, 5,420.52 and 1,669.32

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Solution

The fourth proportional to 3,616.08, 5,420.52 and 1,669.32 is: 2,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.08 : 5,420.52 = 1,669.32 : x
  2. Step 2: Convert to fraction form
    3,616.08/5,420.52 = 1,669.32/x
  3. Step 3: Cross multiply
    3,616.08x = 5,420.52 × 1,669.32
  4. Step 4: Simplify right side
    3,616.08x = 9,048,582.45
  5. Step 5: Solve for x
    x = 9,048,582.45/3,616.08
  6. Step 6: Final answer
    x = 2,502.32

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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.