Home / 2,963.70-4,089.96-1,637.52

Finding the Fourth Proportional to 2,963.70, 4,089.96 and 1,637.52

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Solution

The fourth proportional to 2,963.70, 4,089.96 and 1,637.52 is: 2,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.70 : 4,089.96 = 1,637.52 : x
  2. Step 2: Convert to fraction form
    2,963.70/4,089.96 = 1,637.52/x
  3. Step 3: Cross multiply
    2,963.70x = 4,089.96 × 1,637.52
  4. Step 4: Simplify right side
    2,963.70x = 6,697,391.30
  5. Step 5: Solve for x
    x = 6,697,391.30/2,963.70
  6. Step 6: Final answer
    x = 2,259.81

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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.