Home / 2,859.14-4,285.56-1,623.90

Finding the Fourth Proportional to 2,859.14, 4,285.56 and 1,623.90

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Solution

The fourth proportional to 2,859.14, 4,285.56 and 1,623.90 is: 2,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.14 : 4,285.56 = 1,623.90 : x
  2. Step 2: Convert to fraction form
    2,859.14/4,285.56 = 1,623.90/x
  3. Step 3: Cross multiply
    2,859.14x = 4,285.56 × 1,623.90
  4. Step 4: Simplify right side
    2,859.14x = 6,959,320.88
  5. Step 5: Solve for x
    x = 6,959,320.88/2,859.14
  6. Step 6: Final answer
    x = 2,434.06

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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.