Home / 4,239.87-6,354.33-1,898.16

Finding the Fourth Proportional to 4,239.87, 6,354.33 and 1,898.16

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Solution

The fourth proportional to 4,239.87, 6,354.33 and 1,898.16 is: 2,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.87 : 6,354.33 = 1,898.16 : x
  2. Step 2: Convert to fraction form
    4,239.87/6,354.33 = 1,898.16/x
  3. Step 3: Cross multiply
    4,239.87x = 6,354.33 × 1,898.16
  4. Step 4: Simplify right side
    4,239.87x = 12,061,535.03
  5. Step 5: Solve for x
    x = 12,061,535.03/4,239.87
  6. Step 6: Final answer
    x = 2,844.79

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1.5x scale

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.