Home / 3,556.84-4,907.06-2,160.04

Finding the Fourth Proportional to 3,556.84, 4,907.06 and 2,160.04

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Solution

The fourth proportional to 3,556.84, 4,907.06 and 2,160.04 is: 2,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.84 : 4,907.06 = 2,160.04 : x
  2. Step 2: Convert to fraction form
    3,556.84/4,907.06 = 2,160.04/x
  3. Step 3: Cross multiply
    3,556.84x = 4,907.06 × 2,160.04
  4. Step 4: Simplify right side
    3,556.84x = 10,599,445.88
  5. Step 5: Solve for x
    x = 10,599,445.88/3,556.84
  6. Step 6: Final answer
    x = 2,980.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.