Home / 4,289.82-6,435.35-1,949.81

Finding the Fourth Proportional to 4,289.82, 6,435.35 and 1,949.81

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Solution

The fourth proportional to 4,289.82, 6,435.35 and 1,949.81 is: 2,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.82 : 6,435.35 = 1,949.81 : x
  2. Step 2: Convert to fraction form
    4,289.82/6,435.35 = 1,949.81/x
  3. Step 3: Cross multiply
    4,289.82x = 6,435.35 × 1,949.81
  4. Step 4: Simplify right side
    4,289.82x = 12,547,667.86
  5. Step 5: Solve for x
    x = 12,547,667.86/4,289.82
  6. Step 6: Final answer
    x = 2,924.99

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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.