Home / 4,199.76-6,298.88-2,119.28

Finding the Fourth Proportional to 4,199.76, 6,298.88 and 2,119.28

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Solution

The fourth proportional to 4,199.76, 6,298.88 and 2,119.28 is: 3,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.76 : 6,298.88 = 2,119.28 : x
  2. Step 2: Convert to fraction form
    4,199.76/6,298.88 = 2,119.28/x
  3. Step 3: Cross multiply
    4,199.76x = 6,298.88 × 2,119.28
  4. Step 4: Simplify right side
    4,199.76x = 13,349,048.32
  5. Step 5: Solve for x
    x = 13,349,048.32/4,199.76
  6. Step 6: Final answer
    x = 3,178.53

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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.