Home / 2,838.58-3,916.67-1,659.42

Finding the Fourth Proportional to 2,838.58, 3,916.67 and 1,659.42

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Solution

The fourth proportional to 2,838.58, 3,916.67 and 1,659.42 is: 2,289.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.58 : 3,916.67 = 1,659.42 : x
  2. Step 2: Convert to fraction form
    2,838.58/3,916.67 = 1,659.42/x
  3. Step 3: Cross multiply
    2,838.58x = 3,916.67 × 1,659.42
  4. Step 4: Simplify right side
    2,838.58x = 6,499,392.23
  5. Step 5: Solve for x
    x = 6,499,392.23/2,838.58
  6. Step 6: Final answer
    x = 2,289.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.