Home / 3,005.80-4,518.42-2,699.08

Finding the Fourth Proportional to 3,005.80, 4,518.42 and 2,699.08

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Solution

The fourth proportional to 3,005.80, 4,518.42 and 2,699.08 is: 4,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.80 : 4,518.42 = 2,699.08 : x
  2. Step 2: Convert to fraction form
    3,005.80/4,518.42 = 2,699.08/x
  3. Step 3: Cross multiply
    3,005.80x = 4,518.42 × 2,699.08
  4. Step 4: Simplify right side
    3,005.80x = 12,195,577.05
  5. Step 5: Solve for x
    x = 12,195,577.05/3,005.80
  6. Step 6: Final answer
    x = 4,057.35

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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.