Home / 3,507.83-4,830.93-3,431.28

Finding the Fourth Proportional to 3,507.83, 4,830.93 and 3,431.28

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Solution

The fourth proportional to 3,507.83, 4,830.93 and 3,431.28 is: 4,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.83 : 4,830.93 = 3,431.28 : x
  2. Step 2: Convert to fraction form
    3,507.83/4,830.93 = 3,431.28/x
  3. Step 3: Cross multiply
    3,507.83x = 4,830.93 × 3,431.28
  4. Step 4: Simplify right side
    3,507.83x = 16,576,273.49
  5. Step 5: Solve for x
    x = 16,576,273.49/3,507.83
  6. Step 6: Final answer
    x = 4,725.51

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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.