Home / 1,958.16-2,948.97-1,783.20

Finding the Fourth Proportional to 1,958.16, 2,948.97 and 1,783.20

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Solution

The fourth proportional to 1,958.16, 2,948.97 and 1,783.20 is: 2,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.16 : 2,948.97 = 1,783.20 : x
  2. Step 2: Convert to fraction form
    1,958.16/2,948.97 = 1,783.20/x
  3. Step 3: Cross multiply
    1,958.16x = 2,948.97 × 1,783.20
  4. Step 4: Simplify right side
    1,958.16x = 5,258,603.30
  5. Step 5: Solve for x
    x = 5,258,603.30/1,958.16
  6. Step 6: Final answer
    x = 2,685.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.