Home / 1,954.40-2,697.55-1,325.97

Finding the Fourth Proportional to 1,954.40, 2,697.55 and 1,325.97

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Solution

The fourth proportional to 1,954.40, 2,697.55 and 1,325.97 is: 1,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.40 : 2,697.55 = 1,325.97 : x
  2. Step 2: Convert to fraction form
    1,954.40/2,697.55 = 1,325.97/x
  3. Step 3: Cross multiply
    1,954.40x = 2,697.55 × 1,325.97
  4. Step 4: Simplify right side
    1,954.40x = 3,576,867.06
  5. Step 5: Solve for x
    x = 3,576,867.06/1,954.40
  6. Step 6: Final answer
    x = 1,830.17

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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.