Home / 3,184.30-4,774.89-1,309.85

Finding the Fourth Proportional to 3,184.30, 4,774.89 and 1,309.85

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Solution

The fourth proportional to 3,184.30, 4,774.89 and 1,309.85 is: 1,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.30 : 4,774.89 = 1,309.85 : x
  2. Step 2: Convert to fraction form
    3,184.30/4,774.89 = 1,309.85/x
  3. Step 3: Cross multiply
    3,184.30x = 4,774.89 × 1,309.85
  4. Step 4: Simplify right side
    3,184.30x = 6,254,389.67
  5. Step 5: Solve for x
    x = 6,254,389.67/3,184.30
  6. Step 6: Final answer
    x = 1,964.13

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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.