Home / 2,218.08-3,043.12-2,160.60

Finding the Fourth Proportional to 2,218.08, 3,043.12 and 2,160.60

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Solution

The fourth proportional to 2,218.08, 3,043.12 and 2,160.60 is: 2,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.08 : 3,043.12 = 2,160.60 : x
  2. Step 2: Convert to fraction form
    2,218.08/3,043.12 = 2,160.60/x
  3. Step 3: Cross multiply
    2,218.08x = 3,043.12 × 2,160.60
  4. Step 4: Simplify right side
    2,218.08x = 6,574,965.07
  5. Step 5: Solve for x
    x = 6,574,965.07/2,218.08
  6. Step 6: Final answer
    x = 2,964.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.