Home / 3,924.20-5,886.30-1,975.07

Finding the Fourth Proportional to 3,924.20, 5,886.30 and 1,975.07

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Solution

The fourth proportional to 3,924.20, 5,886.30 and 1,975.07 is: 2,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.20 : 5,886.30 = 1,975.07 : x
  2. Step 2: Convert to fraction form
    3,924.20/5,886.30 = 1,975.07/x
  3. Step 3: Cross multiply
    3,924.20x = 5,886.30 × 1,975.07
  4. Step 4: Simplify right side
    3,924.20x = 11,625,825.11
  5. Step 5: Solve for x
    x = 11,625,825.11/3,924.20
  6. Step 6: Final answer
    x = 2,962.60

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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.