Home / 3,555.65-5,331.19-1,477.09

Finding the Fourth Proportional to 3,555.65, 5,331.19 and 1,477.09

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Solution

The fourth proportional to 3,555.65, 5,331.19 and 1,477.09 is: 2,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.65 : 5,331.19 = 1,477.09 : x
  2. Step 2: Convert to fraction form
    3,555.65/5,331.19 = 1,477.09/x
  3. Step 3: Cross multiply
    3,555.65x = 5,331.19 × 1,477.09
  4. Step 4: Simplify right side
    3,555.65x = 7,874,647.44
  5. Step 5: Solve for x
    x = 7,874,647.44/3,555.65
  6. Step 6: Final answer
    x = 2,214.69

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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.