Home / 3,684.64-5,085.42-2,358.28

Finding the Fourth Proportional to 3,684.64, 5,085.42 and 2,358.28

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Solution

The fourth proportional to 3,684.64, 5,085.42 and 2,358.28 is: 3,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.64 : 5,085.42 = 2,358.28 : x
  2. Step 2: Convert to fraction form
    3,684.64/5,085.42 = 2,358.28/x
  3. Step 3: Cross multiply
    3,684.64x = 5,085.42 × 2,358.28
  4. Step 4: Simplify right side
    3,684.64x = 11,992,844.28
  5. Step 5: Solve for x
    x = 11,992,844.28/3,684.64
  6. Step 6: Final answer
    x = 3,254.82

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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.