Home / 4,209.81-5,810.58-2,867.64

Finding the Fourth Proportional to 4,209.81, 5,810.58 and 2,867.64

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Solution

The fourth proportional to 4,209.81, 5,810.58 and 2,867.64 is: 3,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.81 : 5,810.58 = 2,867.64 : x
  2. Step 2: Convert to fraction form
    4,209.81/5,810.58 = 2,867.64/x
  3. Step 3: Cross multiply
    4,209.81x = 5,810.58 × 2,867.64
  4. Step 4: Simplify right side
    4,209.81x = 16,662,651.63
  5. Step 5: Solve for x
    x = 16,662,651.63/4,209.81
  6. Step 6: Final answer
    x = 3,958.05

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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.