Home / 3,184.65-4,774.55-1,238.22

Finding the Fourth Proportional to 3,184.65, 4,774.55 and 1,238.22

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Solution

The fourth proportional to 3,184.65, 4,774.55 and 1,238.22 is: 1,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.65 : 4,774.55 = 1,238.22 : x
  2. Step 2: Convert to fraction form
    3,184.65/4,774.55 = 1,238.22/x
  3. Step 3: Cross multiply
    3,184.65x = 4,774.55 × 1,238.22
  4. Step 4: Simplify right side
    3,184.65x = 5,911,937.11
  5. Step 5: Solve for x
    x = 5,911,937.11/3,184.65
  6. Step 6: Final answer
    x = 1,856.39

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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.