Home / 4,015.64-5,541.48-2,223.18

Finding the Fourth Proportional to 4,015.64, 5,541.48 and 2,223.18

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Solution

The fourth proportional to 4,015.64, 5,541.48 and 2,223.18 is: 3,067.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.64 : 5,541.48 = 2,223.18 : x
  2. Step 2: Convert to fraction form
    4,015.64/5,541.48 = 2,223.18/x
  3. Step 3: Cross multiply
    4,015.64x = 5,541.48 × 2,223.18
  4. Step 4: Simplify right side
    4,015.64x = 12,319,707.51
  5. Step 5: Solve for x
    x = 12,319,707.51/4,015.64
  6. Step 6: Final answer
    x = 3,067.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.