Home / 2,852.90-4,278.06-1,208.60

Finding the Fourth Proportional to 2,852.90, 4,278.06 and 1,208.60

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Solution

The fourth proportional to 2,852.90, 4,278.06 and 1,208.60 is: 1,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.90 : 4,278.06 = 1,208.60 : x
  2. Step 2: Convert to fraction form
    2,852.90/4,278.06 = 1,208.60/x
  3. Step 3: Cross multiply
    2,852.90x = 4,278.06 × 1,208.60
  4. Step 4: Simplify right side
    2,852.90x = 5,170,463.32
  5. Step 5: Solve for x
    x = 5,170,463.32/2,852.90
  6. Step 6: Final answer
    x = 1,812.35

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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.