Home / 3,365.56-4,646.46-2,991.45

Finding the Fourth Proportional to 3,365.56, 4,646.46 and 2,991.45

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Solution

The fourth proportional to 3,365.56, 4,646.46 and 2,991.45 is: 4,129.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.56 : 4,646.46 = 2,991.45 : x
  2. Step 2: Convert to fraction form
    3,365.56/4,646.46 = 2,991.45/x
  3. Step 3: Cross multiply
    3,365.56x = 4,646.46 × 2,991.45
  4. Step 4: Simplify right side
    3,365.56x = 13,899,661.24
  5. Step 5: Solve for x
    x = 13,899,661.24/3,365.56
  6. Step 6: Final answer
    x = 4,129.97

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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.