Home / 2,899.56-4,003.32-1,721.01

Finding the Fourth Proportional to 2,899.56, 4,003.32 and 1,721.01

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Solution

The fourth proportional to 2,899.56, 4,003.32 and 1,721.01 is: 2,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.56 : 4,003.32 = 1,721.01 : x
  2. Step 2: Convert to fraction form
    2,899.56/4,003.32 = 1,721.01/x
  3. Step 3: Cross multiply
    2,899.56x = 4,003.32 × 1,721.01
  4. Step 4: Simplify right side
    2,899.56x = 6,889,753.75
  5. Step 5: Solve for x
    x = 6,889,753.75/2,899.56
  6. Step 6: Final answer
    x = 2,376.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.