Home / 3,106.23-4,630.08-2,857.11

Finding the Fourth Proportional to 3,106.23, 4,630.08 and 2,857.11

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Solution

The fourth proportional to 3,106.23, 4,630.08 and 2,857.11 is: 4,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.23 : 4,630.08 = 2,857.11 : x
  2. Step 2: Convert to fraction form
    3,106.23/4,630.08 = 2,857.11/x
  3. Step 3: Cross multiply
    3,106.23x = 4,630.08 × 2,857.11
  4. Step 4: Simplify right side
    3,106.23x = 13,228,647.87
  5. Step 5: Solve for x
    x = 13,228,647.87/3,106.23
  6. Step 6: Final answer
    x = 4,258.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.