Home / 2,970.93-4,100.57-1,976.25

Finding the Fourth Proportional to 2,970.93, 4,100.57 and 1,976.25

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Solution

The fourth proportional to 2,970.93, 4,100.57 and 1,976.25 is: 2,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.93 : 4,100.57 = 1,976.25 : x
  2. Step 2: Convert to fraction form
    2,970.93/4,100.57 = 1,976.25/x
  3. Step 3: Cross multiply
    2,970.93x = 4,100.57 × 1,976.25
  4. Step 4: Simplify right side
    2,970.93x = 8,103,721.08
  5. Step 5: Solve for x
    x = 8,103,721.08/2,970.93
  6. Step 6: Final answer
    x = 2,727.68

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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.