Home / 3,400.64-5,076.10-3,150.23

Finding the Fourth Proportional to 3,400.64, 5,076.10 and 3,150.23

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Solution

The fourth proportional to 3,400.64, 5,076.10 and 3,150.23 is: 4,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.64 : 5,076.10 = 3,150.23 : x
  2. Step 2: Convert to fraction form
    3,400.64/5,076.10 = 3,150.23/x
  3. Step 3: Cross multiply
    3,400.64x = 5,076.10 × 3,150.23
  4. Step 4: Simplify right side
    3,400.64x = 15,990,861.06
  5. Step 5: Solve for x
    x = 15,990,861.06/3,400.64
  6. Step 6: Final answer
    x = 4,702.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.