Home / 3,189.54-4,779.99-1,454.10

Finding the Fourth Proportional to 3,189.54, 4,779.99 and 1,454.10

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Solution

The fourth proportional to 3,189.54, 4,779.99 and 1,454.10 is: 2,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.54 : 4,779.99 = 1,454.10 : x
  2. Step 2: Convert to fraction form
    3,189.54/4,779.99 = 1,454.10/x
  3. Step 3: Cross multiply
    3,189.54x = 4,779.99 × 1,454.10
  4. Step 4: Simplify right side
    3,189.54x = 6,950,583.46
  5. Step 5: Solve for x
    x = 6,950,583.46/3,189.54
  6. Step 6: Final answer
    x = 2,179.18

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1.5x scale

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.