Home / 3,907.03-5,391.69-2,114.51

Finding the Fourth Proportional to 3,907.03, 5,391.69 and 2,114.51

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Solution

The fourth proportional to 3,907.03, 5,391.69 and 2,114.51 is: 2,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.03 : 5,391.69 = 2,114.51 : x
  2. Step 2: Convert to fraction form
    3,907.03/5,391.69 = 2,114.51/x
  3. Step 3: Cross multiply
    3,907.03x = 5,391.69 × 2,114.51
  4. Step 4: Simplify right side
    3,907.03x = 11,400,782.42
  5. Step 5: Solve for x
    x = 11,400,782.42/3,907.03
  6. Step 6: Final answer
    x = 2,918.02

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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.