Home / 2,343.90-3,234.32-1,637.28

Finding the Fourth Proportional to 2,343.90, 3,234.32 and 1,637.28

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Solution

The fourth proportional to 2,343.90, 3,234.32 and 1,637.28 is: 2,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.90 : 3,234.32 = 1,637.28 : x
  2. Step 2: Convert to fraction form
    2,343.90/3,234.32 = 1,637.28/x
  3. Step 3: Cross multiply
    2,343.90x = 3,234.32 × 1,637.28
  4. Step 4: Simplify right side
    2,343.90x = 5,295,487.45
  5. Step 5: Solve for x
    x = 5,295,487.45/2,343.90
  6. Step 6: Final answer
    x = 2,259.26

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1.5x scale

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.