Home / 2,899.21-4,001.48-1,640.27

Finding the Fourth Proportional to 2,899.21, 4,001.48 and 1,640.27

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Solution

The fourth proportional to 2,899.21, 4,001.48 and 1,640.27 is: 2,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.21 : 4,001.48 = 1,640.27 : x
  2. Step 2: Convert to fraction form
    2,899.21/4,001.48 = 1,640.27/x
  3. Step 3: Cross multiply
    2,899.21x = 4,001.48 × 1,640.27
  4. Step 4: Simplify right side
    2,899.21x = 6,563,507.60
  5. Step 5: Solve for x
    x = 6,563,507.60/2,899.21
  6. Step 6: Final answer
    x = 2,263.90

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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.