Home / 1,853.28-2,763.18-1,809.54

Finding the Fourth Proportional to 1,853.28, 2,763.18 and 1,809.54

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Solution

The fourth proportional to 1,853.28, 2,763.18 and 1,809.54 is: 2,697.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.28 : 2,763.18 = 1,809.54 : x
  2. Step 2: Convert to fraction form
    1,853.28/2,763.18 = 1,809.54/x
  3. Step 3: Cross multiply
    1,853.28x = 2,763.18 × 1,809.54
  4. Step 4: Simplify right side
    1,853.28x = 5,000,084.74
  5. Step 5: Solve for x
    x = 5,000,084.74/1,853.28
  6. Step 6: Final answer
    x = 2,697.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.