Home / 3,921.08-5,851.84-3,762.32

Finding the Fourth Proportional to 3,921.08, 5,851.84 and 3,762.32

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Solution

The fourth proportional to 3,921.08, 5,851.84 and 3,762.32 is: 5,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.08 : 5,851.84 = 3,762.32 : x
  2. Step 2: Convert to fraction form
    3,921.08/5,851.84 = 3,762.32/x
  3. Step 3: Cross multiply
    3,921.08x = 5,851.84 × 3,762.32
  4. Step 4: Simplify right side
    3,921.08x = 22,016,494.67
  5. Step 5: Solve for x
    x = 22,016,494.67/3,921.08
  6. Step 6: Final answer
    x = 5,614.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.