Home / 3,907.80-5,860.77-1,133.75

Finding the Fourth Proportional to 3,907.80, 5,860.77 and 1,133.75

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Solution

The fourth proportional to 3,907.80, 5,860.77 and 1,133.75 is: 1,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.80 : 5,860.77 = 1,133.75 : x
  2. Step 2: Convert to fraction form
    3,907.80/5,860.77 = 1,133.75/x
  3. Step 3: Cross multiply
    3,907.80x = 5,860.77 × 1,133.75
  4. Step 4: Simplify right side
    3,907.80x = 6,644,618.68
  5. Step 5: Solve for x
    x = 6,644,618.68/3,907.80
  6. Step 6: Final answer
    x = 1,700.35

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1.5x scale

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.