Home / 3,423.18-4,723.98-1,851.30

Finding the Fourth Proportional to 3,423.18, 4,723.98 and 1,851.30

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Solution

The fourth proportional to 3,423.18, 4,723.98 and 1,851.30 is: 2,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.18 : 4,723.98 = 1,851.30 : x
  2. Step 2: Convert to fraction form
    3,423.18/4,723.98 = 1,851.30/x
  3. Step 3: Cross multiply
    3,423.18x = 4,723.98 × 1,851.30
  4. Step 4: Simplify right side
    3,423.18x = 8,745,504.17
  5. Step 5: Solve for x
    x = 8,745,504.17/3,423.18
  6. Step 6: Final answer
    x = 2,554.79

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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.