Home / 2,907.93-4,013.37-2,160.84

Finding the Fourth Proportional to 2,907.93, 4,013.37 and 2,160.84

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Solution

The fourth proportional to 2,907.93, 4,013.37 and 2,160.84 is: 2,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.93 : 4,013.37 = 2,160.84 : x
  2. Step 2: Convert to fraction form
    2,907.93/4,013.37 = 2,160.84/x
  3. Step 3: Cross multiply
    2,907.93x = 4,013.37 × 2,160.84
  4. Step 4: Simplify right side
    2,907.93x = 8,672,250.43
  5. Step 5: Solve for x
    x = 8,672,250.43/2,907.93
  6. Step 6: Final answer
    x = 2,982.28

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1.5x scale

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.