Home / 3,852.10-5,774.68-1,386.34

Finding the Fourth Proportional to 3,852.10, 5,774.68 and 1,386.34

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Solution

The fourth proportional to 3,852.10, 5,774.68 and 1,386.34 is: 2,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.10 : 5,774.68 = 1,386.34 : x
  2. Step 2: Convert to fraction form
    3,852.10/5,774.68 = 1,386.34/x
  3. Step 3: Cross multiply
    3,852.10x = 5,774.68 × 1,386.34
  4. Step 4: Simplify right side
    3,852.10x = 8,005,669.87
  5. Step 5: Solve for x
    x = 8,005,669.87/3,852.10
  6. Step 6: Final answer
    x = 2,078.26

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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.