Home / 1,976.66-2,724.74-1,478.54

Finding the Fourth Proportional to 1,976.66, 2,724.74 and 1,478.54

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Solution

The fourth proportional to 1,976.66, 2,724.74 and 1,478.54 is: 2,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.66 : 2,724.74 = 1,478.54 : x
  2. Step 2: Convert to fraction form
    1,976.66/2,724.74 = 1,478.54/x
  3. Step 3: Cross multiply
    1,976.66x = 2,724.74 × 1,478.54
  4. Step 4: Simplify right side
    1,976.66x = 4,028,637.08
  5. Step 5: Solve for x
    x = 4,028,637.08/1,976.66
  6. Step 6: Final answer
    x = 2,038.10

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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.