Home / 3,454.39-5,179.76-1,504.31

Finding the Fourth Proportional to 3,454.39, 5,179.76 and 1,504.31

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Solution

The fourth proportional to 3,454.39, 5,179.76 and 1,504.31 is: 2,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.39 : 5,179.76 = 1,504.31 : x
  2. Step 2: Convert to fraction form
    3,454.39/5,179.76 = 1,504.31/x
  3. Step 3: Cross multiply
    3,454.39x = 5,179.76 × 1,504.31
  4. Step 4: Simplify right side
    3,454.39x = 7,791,970.19
  5. Step 5: Solve for x
    x = 7,791,970.19/3,454.39
  6. Step 6: Final answer
    x = 2,255.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.