Home / 3,084.88-4,256.40-1,758.64

Finding the Fourth Proportional to 3,084.88, 4,256.40 and 1,758.64

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Solution

The fourth proportional to 3,084.88, 4,256.40 and 1,758.64 is: 2,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.88 : 4,256.40 = 1,758.64 : x
  2. Step 2: Convert to fraction form
    3,084.88/4,256.40 = 1,758.64/x
  3. Step 3: Cross multiply
    3,084.88x = 4,256.40 × 1,758.64
  4. Step 4: Simplify right side
    3,084.88x = 7,485,475.30
  5. Step 5: Solve for x
    x = 7,485,475.30/3,084.88
  6. Step 6: Final answer
    x = 2,426.50

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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.