Home / 3,669.83-5,505.08-1,478.10

Finding the Fourth Proportional to 3,669.83, 5,505.08 and 1,478.10

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Solution

The fourth proportional to 3,669.83, 5,505.08 and 1,478.10 is: 2,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.83 : 5,505.08 = 1,478.10 : x
  2. Step 2: Convert to fraction form
    3,669.83/5,505.08 = 1,478.10/x
  3. Step 3: Cross multiply
    3,669.83x = 5,505.08 × 1,478.10
  4. Step 4: Simplify right side
    3,669.83x = 8,137,051.36
  5. Step 5: Solve for x
    x = 8,137,051.36/3,669.83
  6. Step 6: Final answer
    x = 2,217.29

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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.