Home / 2,876.96-4,315.36-2,011.84

Finding the Fourth Proportional to 2,876.96, 4,315.36 and 2,011.84

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Solution

The fourth proportional to 2,876.96, 4,315.36 and 2,011.84 is: 3,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.96 : 4,315.36 = 2,011.84 : x
  2. Step 2: Convert to fraction form
    2,876.96/4,315.36 = 2,011.84/x
  3. Step 3: Cross multiply
    2,876.96x = 4,315.36 × 2,011.84
  4. Step 4: Simplify right side
    2,876.96x = 8,681,813.86
  5. Step 5: Solve for x
    x = 8,681,813.86/2,876.96
  6. Step 6: Final answer
    x = 3,017.70

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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.