Home / 3,051.80-4,579.16-2,116.18

Finding the Fourth Proportional to 3,051.80, 4,579.16 and 2,116.18

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Solution

The fourth proportional to 3,051.80, 4,579.16 and 2,116.18 is: 3,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.80 : 4,579.16 = 2,116.18 : x
  2. Step 2: Convert to fraction form
    3,051.80/4,579.16 = 2,116.18/x
  3. Step 3: Cross multiply
    3,051.80x = 4,579.16 × 2,116.18
  4. Step 4: Simplify right side
    3,051.80x = 9,690,326.81
  5. Step 5: Solve for x
    x = 9,690,326.81/3,051.80
  6. Step 6: Final answer
    x = 3,175.28

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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.