Home / 3,219.30-4,829.67-2,045.16

Finding the Fourth Proportional to 3,219.30, 4,829.67 and 2,045.16

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Solution

The fourth proportional to 3,219.30, 4,829.67 and 2,045.16 is: 3,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.30 : 4,829.67 = 2,045.16 : x
  2. Step 2: Convert to fraction form
    3,219.30/4,829.67 = 2,045.16/x
  3. Step 3: Cross multiply
    3,219.30x = 4,829.67 × 2,045.16
  4. Step 4: Simplify right side
    3,219.30x = 9,877,447.90
  5. Step 5: Solve for x
    x = 9,877,447.90/3,219.30
  6. Step 6: Final answer
    x = 3,068.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.