Home / 3,480.40-4,804.80-2,367.28

Finding the Fourth Proportional to 3,480.40, 4,804.80 and 2,367.28

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Solution

The fourth proportional to 3,480.40, 4,804.80 and 2,367.28 is: 3,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.40 : 4,804.80 = 2,367.28 : x
  2. Step 2: Convert to fraction form
    3,480.40/4,804.80 = 2,367.28/x
  3. Step 3: Cross multiply
    3,480.40x = 4,804.80 × 2,367.28
  4. Step 4: Simplify right side
    3,480.40x = 11,374,306.94
  5. Step 5: Solve for x
    x = 11,374,306.94/3,480.40
  6. Step 6: Final answer
    x = 3,268.10

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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.