Home / 1,583.43-2,371.90-1,273.61

Finding the Fourth Proportional to 1,583.43, 2,371.90 and 1,273.61

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Solution

The fourth proportional to 1,583.43, 2,371.90 and 1,273.61 is: 1,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.43 : 2,371.90 = 1,273.61 : x
  2. Step 2: Convert to fraction form
    1,583.43/2,371.90 = 1,273.61/x
  3. Step 3: Cross multiply
    1,583.43x = 2,371.90 × 1,273.61
  4. Step 4: Simplify right side
    1,583.43x = 3,020,875.56
  5. Step 5: Solve for x
    x = 3,020,875.56/1,583.43
  6. Step 6: Final answer
    x = 1,907.80

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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.