Home / 3,547.70-4,896.83-2,131.84

Finding the Fourth Proportional to 3,547.70, 4,896.83 and 2,131.84

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Solution

The fourth proportional to 3,547.70, 4,896.83 and 2,131.84 is: 2,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.70 : 4,896.83 = 2,131.84 : x
  2. Step 2: Convert to fraction form
    3,547.70/4,896.83 = 2,131.84/x
  3. Step 3: Cross multiply
    3,547.70x = 4,896.83 × 2,131.84
  4. Step 4: Simplify right side
    3,547.70x = 10,439,258.07
  5. Step 5: Solve for x
    x = 10,439,258.07/3,547.70
  6. Step 6: Final answer
    x = 2,942.54

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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.