Home / 2,637.35-3,959.01-1,664

Finding the Fourth Proportional to 2,637.35, 3,959.01 and 1,664

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Solution

The fourth proportional to 2,637.35, 3,959.01 and 1,664 is: 2,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.35 : 3,959.01 = 1,664 : x
  2. Step 2: Convert to fraction form
    2,637.35/3,959.01 = 1,664/x
  3. Step 3: Cross multiply
    2,637.35x = 3,959.01 × 1,664
  4. Step 4: Simplify right side
    2,637.35x = 6,587,792.64
  5. Step 5: Solve for x
    x = 6,587,792.64/2,637.35
  6. Step 6: Final answer
    x = 2,497.88

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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.