Home / 2,963.56-4,089.62-1,637.32

Finding the Fourth Proportional to 2,963.56, 4,089.62 and 1,637.32

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Solution

The fourth proportional to 2,963.56, 4,089.62 and 1,637.32 is: 2,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.56 : 4,089.62 = 1,637.32 : x
  2. Step 2: Convert to fraction form
    2,963.56/4,089.62 = 1,637.32/x
  3. Step 3: Cross multiply
    2,963.56x = 4,089.62 × 1,637.32
  4. Step 4: Simplify right side
    2,963.56x = 6,696,016.62
  5. Step 5: Solve for x
    x = 6,696,016.62/2,963.56
  6. Step 6: Final answer
    x = 2,259.45

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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.