Home / 4,268.52-5,890.98-2,380.40

Finding the Fourth Proportional to 4,268.52, 5,890.98 and 2,380.40

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Solution

The fourth proportional to 4,268.52, 5,890.98 and 2,380.40 is: 3,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.52 : 5,890.98 = 2,380.40 : x
  2. Step 2: Convert to fraction form
    4,268.52/5,890.98 = 2,380.40/x
  3. Step 3: Cross multiply
    4,268.52x = 5,890.98 × 2,380.40
  4. Step 4: Simplify right side
    4,268.52x = 14,022,888.79
  5. Step 5: Solve for x
    x = 14,022,888.79/4,268.52
  6. Step 6: Final answer
    x = 3,285.19

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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.