Home / 3,439.40-5,161.08-2,056.10

Finding the Fourth Proportional to 3,439.40, 5,161.08 and 2,056.10

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Solution

The fourth proportional to 3,439.40, 5,161.08 and 2,056.10 is: 3,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.40 : 5,161.08 = 2,056.10 : x
  2. Step 2: Convert to fraction form
    3,439.40/5,161.08 = 2,056.10/x
  3. Step 3: Cross multiply
    3,439.40x = 5,161.08 × 2,056.10
  4. Step 4: Simplify right side
    3,439.40x = 10,611,696.59
  5. Step 5: Solve for x
    x = 10,611,696.59/3,439.40
  6. Step 6: Final answer
    x = 3,085.33

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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.