Home / 3,041.12-4,196.74-1,643.87

Finding the Fourth Proportional to 3,041.12, 4,196.74 and 1,643.87

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Solution

The fourth proportional to 3,041.12, 4,196.74 and 1,643.87 is: 2,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,041.12 : 4,196.74 = 1,643.87 : x
  2. Step 2: Convert to fraction form
    3,041.12/4,196.74 = 1,643.87/x
  3. Step 3: Cross multiply
    3,041.12x = 4,196.74 × 1,643.87
  4. Step 4: Simplify right side
    3,041.12x = 6,898,865.78
  5. Step 5: Solve for x
    x = 6,898,865.78/3,041.12
  6. Step 6: Final answer
    x = 2,268.53

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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.