Home / 1,896.89-2,844.14-580.20

Finding the Fourth Proportional to 1,896.89, 2,844.14 and 580.20

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Solution

The fourth proportional to 1,896.89, 2,844.14 and 580.20 is: 869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.89 : 2,844.14 = 580.20 : x
  2. Step 2: Convert to fraction form
    1,896.89/2,844.14 = 580.20/x
  3. Step 3: Cross multiply
    1,896.89x = 2,844.14 × 580.20
  4. Step 4: Simplify right side
    1,896.89x = 1,650,158.09
  5. Step 5: Solve for x
    x = 1,650,158.09/1,896.89
  6. Step 6: Final answer
    x = 869.93

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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.