Home / 3,515.08-4,850.63-1,942.87

Finding the Fourth Proportional to 3,515.08, 4,850.63 and 1,942.87

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Solution

The fourth proportional to 3,515.08, 4,850.63 and 1,942.87 is: 2,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.08 : 4,850.63 = 1,942.87 : x
  2. Step 2: Convert to fraction form
    3,515.08/4,850.63 = 1,942.87/x
  3. Step 3: Cross multiply
    3,515.08x = 4,850.63 × 1,942.87
  4. Step 4: Simplify right side
    3,515.08x = 9,424,143.51
  5. Step 5: Solve for x
    x = 9,424,143.51/3,515.08
  6. Step 6: Final answer
    x = 2,681.06

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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.