Home / 3,818.36-5,728.30-1,354.93

Finding the Fourth Proportional to 3,818.36, 5,728.30 and 1,354.93

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Solution

The fourth proportional to 3,818.36, 5,728.30 and 1,354.93 is: 2,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.36 : 5,728.30 = 1,354.93 : x
  2. Step 2: Convert to fraction form
    3,818.36/5,728.30 = 1,354.93/x
  3. Step 3: Cross multiply
    3,818.36x = 5,728.30 × 1,354.93
  4. Step 4: Simplify right side
    3,818.36x = 7,761,427.81
  5. Step 5: Solve for x
    x = 7,761,427.81/3,818.36
  6. Step 6: Final answer
    x = 2,032.66

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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.