Home / 3,354.89-4,621.05-2,823.12

Finding the Fourth Proportional to 3,354.89, 4,621.05 and 2,823.12

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Solution

The fourth proportional to 3,354.89, 4,621.05 and 2,823.12 is: 3,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.89 : 4,621.05 = 2,823.12 : x
  2. Step 2: Convert to fraction form
    3,354.89/4,621.05 = 2,823.12/x
  3. Step 3: Cross multiply
    3,354.89x = 4,621.05 × 2,823.12
  4. Step 4: Simplify right side
    3,354.89x = 13,045,778.68
  5. Step 5: Solve for x
    x = 13,045,778.68/3,354.89
  6. Step 6: Final answer
    x = 3,888.59

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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.