Home / 3,434.32-4,735.80-2,938.60

Finding the Fourth Proportional to 3,434.32, 4,735.80 and 2,938.60

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Solution

The fourth proportional to 3,434.32, 4,735.80 and 2,938.60 is: 4,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.32 : 4,735.80 = 2,938.60 : x
  2. Step 2: Convert to fraction form
    3,434.32/4,735.80 = 2,938.60/x
  3. Step 3: Cross multiply
    3,434.32x = 4,735.80 × 2,938.60
  4. Step 4: Simplify right side
    3,434.32x = 13,916,621.88
  5. Step 5: Solve for x
    x = 13,916,621.88/3,434.32
  6. Step 6: Final answer
    x = 4,052.22

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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.