Home / 2,830.73-4,239.89-2,006.50

Finding the Fourth Proportional to 2,830.73, 4,239.89 and 2,006.50

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Solution

The fourth proportional to 2,830.73, 4,239.89 and 2,006.50 is: 3,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.73 : 4,239.89 = 2,006.50 : x
  2. Step 2: Convert to fraction form
    2,830.73/4,239.89 = 2,006.50/x
  3. Step 3: Cross multiply
    2,830.73x = 4,239.89 × 2,006.50
  4. Step 4: Simplify right side
    2,830.73x = 8,507,339.29
  5. Step 5: Solve for x
    x = 8,507,339.29/2,830.73
  6. Step 6: Final answer
    x = 3,005.36

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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.