Home / 3,364.32-4,642.44-2,480.60

Finding the Fourth Proportional to 3,364.32, 4,642.44 and 2,480.60

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Solution

The fourth proportional to 3,364.32, 4,642.44 and 2,480.60 is: 3,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.32 : 4,642.44 = 2,480.60 : x
  2. Step 2: Convert to fraction form
    3,364.32/4,642.44 = 2,480.60/x
  3. Step 3: Cross multiply
    3,364.32x = 4,642.44 × 2,480.60
  4. Step 4: Simplify right side
    3,364.32x = 11,516,036.66
  5. Step 5: Solve for x
    x = 11,516,036.66/3,364.32
  6. Step 6: Final answer
    x = 3,422.99

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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.