Home / 2,858.33-4,283.57-1,378.13

Finding the Fourth Proportional to 2,858.33, 4,283.57 and 1,378.13

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Solution

The fourth proportional to 2,858.33, 4,283.57 and 1,378.13 is: 2,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.33 : 4,283.57 = 1,378.13 : x
  2. Step 2: Convert to fraction form
    2,858.33/4,283.57 = 1,378.13/x
  3. Step 3: Cross multiply
    2,858.33x = 4,283.57 × 1,378.13
  4. Step 4: Simplify right side
    2,858.33x = 5,903,288.02
  5. Step 5: Solve for x
    x = 5,903,288.02/2,858.33
  6. Step 6: Final answer
    x = 2,065.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.