Home / 2,963.50-4,089.52-1,637.12

Finding the Fourth Proportional to 2,963.50, 4,089.52 and 1,637.12

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Solution

The fourth proportional to 2,963.50, 4,089.52 and 1,637.12 is: 2,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.50 : 4,089.52 = 1,637.12 : x
  2. Step 2: Convert to fraction form
    2,963.50/4,089.52 = 1,637.12/x
  3. Step 3: Cross multiply
    2,963.50x = 4,089.52 × 1,637.12
  4. Step 4: Simplify right side
    2,963.50x = 6,695,034.98
  5. Step 5: Solve for x
    x = 6,695,034.98/2,963.50
  6. Step 6: Final answer
    x = 2,259.16

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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.