Home / 4,088.36-5,639.82-2,830.60

Finding the Fourth Proportional to 4,088.36, 5,639.82 and 2,830.60

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Solution

The fourth proportional to 4,088.36, 5,639.82 and 2,830.60 is: 3,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,088.36 : 5,639.82 = 2,830.60 : x
  2. Step 2: Convert to fraction form
    4,088.36/5,639.82 = 2,830.60/x
  3. Step 3: Cross multiply
    4,088.36x = 5,639.82 × 2,830.60
  4. Step 4: Simplify right side
    4,088.36x = 15,964,074.49
  5. Step 5: Solve for x
    x = 15,964,074.49/4,088.36
  6. Step 6: Final answer
    x = 3,904.76

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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.