Home / 3,199.37-4,415.24-1,783.08

Finding the Fourth Proportional to 3,199.37, 4,415.24 and 1,783.08

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Solution

The fourth proportional to 3,199.37, 4,415.24 and 1,783.08 is: 2,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.37 : 4,415.24 = 1,783.08 : x
  2. Step 2: Convert to fraction form
    3,199.37/4,415.24 = 1,783.08/x
  3. Step 3: Cross multiply
    3,199.37x = 4,415.24 × 1,783.08
  4. Step 4: Simplify right side
    3,199.37x = 7,872,730.60
  5. Step 5: Solve for x
    x = 7,872,730.60/3,199.37
  6. Step 6: Final answer
    x = 2,460.72

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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.