Home / 2,873.48-4,310.16-1,638.26

Finding the Fourth Proportional to 2,873.48, 4,310.16 and 1,638.26

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Solution

The fourth proportional to 2,873.48, 4,310.16 and 1,638.26 is: 2,457.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.48 : 4,310.16 = 1,638.26 : x
  2. Step 2: Convert to fraction form
    2,873.48/4,310.16 = 1,638.26/x
  3. Step 3: Cross multiply
    2,873.48x = 4,310.16 × 1,638.26
  4. Step 4: Simplify right side
    2,873.48x = 7,061,162.72
  5. Step 5: Solve for x
    x = 7,061,162.72/2,873.48
  6. Step 6: Final answer
    x = 2,457.36

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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.