Home / 3,485.70-5,219.40-3,283.41

Finding the Fourth Proportional to 3,485.70, 5,219.40 and 3,283.41

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Solution

The fourth proportional to 3,485.70, 5,219.40 and 3,283.41 is: 4,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.70 : 5,219.40 = 3,283.41 : x
  2. Step 2: Convert to fraction form
    3,485.70/5,219.40 = 3,283.41/x
  3. Step 3: Cross multiply
    3,485.70x = 5,219.40 × 3,283.41
  4. Step 4: Simplify right side
    3,485.70x = 17,137,430.15
  5. Step 5: Solve for x
    x = 17,137,430.15/3,485.70
  6. Step 6: Final answer
    x = 4,916.50

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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.