Home / 3,084.45-4,256.54-1,758.21

Finding the Fourth Proportional to 3,084.45, 4,256.54 and 1,758.21

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Solution

The fourth proportional to 3,084.45, 4,256.54 and 1,758.21 is: 2,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.45 : 4,256.54 = 1,758.21 : x
  2. Step 2: Convert to fraction form
    3,084.45/4,256.54 = 1,758.21/x
  3. Step 3: Cross multiply
    3,084.45x = 4,256.54 × 1,758.21
  4. Step 4: Simplify right side
    3,084.45x = 7,483,891.19
  5. Step 5: Solve for x
    x = 7,483,891.19/3,084.45
  6. Step 6: Final answer
    x = 2,426.33

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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.