Home / 2,963.93-4,089.96-1,637.55

Finding the Fourth Proportional to 2,963.93, 4,089.96 and 1,637.55

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Solution

The fourth proportional to 2,963.93, 4,089.96 and 1,637.55 is: 2,259.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.93 : 4,089.96 = 1,637.55 : x
  2. Step 2: Convert to fraction form
    2,963.93/4,089.96 = 1,637.55/x
  3. Step 3: Cross multiply
    2,963.93x = 4,089.96 × 1,637.55
  4. Step 4: Simplify right side
    2,963.93x = 6,697,514.00
  5. Step 5: Solve for x
    x = 6,697,514.00/2,963.93
  6. Step 6: Final answer
    x = 2,259.68

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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.