Home / 3,685.40-5,081.96-2,846.24

Finding the Fourth Proportional to 3,685.40, 5,081.96 and 2,846.24

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Solution

The fourth proportional to 3,685.40, 5,081.96 and 2,846.24 is: 3,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.40 : 5,081.96 = 2,846.24 : x
  2. Step 2: Convert to fraction form
    3,685.40/5,081.96 = 2,846.24/x
  3. Step 3: Cross multiply
    3,685.40x = 5,081.96 × 2,846.24
  4. Step 4: Simplify right side
    3,685.40x = 14,464,463.60
  5. Step 5: Solve for x
    x = 14,464,463.60/3,685.40
  6. Step 6: Final answer
    x = 3,924.80

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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.