Home / 1,816.40-2,724.60-1,491.08

Finding the Fourth Proportional to 1,816.40, 2,724.60 and 1,491.08

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Solution

The fourth proportional to 1,816.40, 2,724.60 and 1,491.08 is: 2,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.40 : 2,724.60 = 1,491.08 : x
  2. Step 2: Convert to fraction form
    1,816.40/2,724.60 = 1,491.08/x
  3. Step 3: Cross multiply
    1,816.40x = 2,724.60 × 1,491.08
  4. Step 4: Simplify right side
    1,816.40x = 4,062,603.38
  5. Step 5: Solve for x
    x = 4,062,603.38/1,816.40
  6. Step 6: Final answer
    x = 2,236.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.