Home / 3,423.09-4,723.87-1,851.19

Finding the Fourth Proportional to 3,423.09, 4,723.87 and 1,851.19

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Solution

The fourth proportional to 3,423.09, 4,723.87 and 1,851.19 is: 2,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.09 : 4,723.87 = 1,851.19 : x
  2. Step 2: Convert to fraction form
    3,423.09/4,723.87 = 1,851.19/x
  3. Step 3: Cross multiply
    3,423.09x = 4,723.87 × 1,851.19
  4. Step 4: Simplify right side
    3,423.09x = 8,744,757.29
  5. Step 5: Solve for x
    x = 8,744,757.29/3,423.09
  6. Step 6: Final answer
    x = 2,554.64

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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.