Home / 3,840.32-5,298.88-2,268.16

Finding the Fourth Proportional to 3,840.32, 5,298.88 and 2,268.16

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Solution

The fourth proportional to 3,840.32, 5,298.88 and 2,268.16 is: 3,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.32 : 5,298.88 = 2,268.16 : x
  2. Step 2: Convert to fraction form
    3,840.32/5,298.88 = 2,268.16/x
  3. Step 3: Cross multiply
    3,840.32x = 5,298.88 × 2,268.16
  4. Step 4: Simplify right side
    3,840.32x = 12,018,707.66
  5. Step 5: Solve for x
    x = 12,018,707.66/3,840.32
  6. Step 6: Final answer
    x = 3,129.61

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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.