Home / 3,860.01-5,788.53-1,394.19

Finding the Fourth Proportional to 3,860.01, 5,788.53 and 1,394.19

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Solution

The fourth proportional to 3,860.01, 5,788.53 and 1,394.19 is: 2,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.01 : 5,788.53 = 1,394.19 : x
  2. Step 2: Convert to fraction form
    3,860.01/5,788.53 = 1,394.19/x
  3. Step 3: Cross multiply
    3,860.01x = 5,788.53 × 1,394.19
  4. Step 4: Simplify right side
    3,860.01x = 8,070,310.64
  5. Step 5: Solve for x
    x = 8,070,310.64/3,860.01
  6. Step 6: Final answer
    x = 2,090.75

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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.