Home / 1,856.70-2,795.97-1,340.33

Finding the Fourth Proportional to 1,856.70, 2,795.97 and 1,340.33

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Solution

The fourth proportional to 1,856.70, 2,795.97 and 1,340.33 is: 2,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.70 : 2,795.97 = 1,340.33 : x
  2. Step 2: Convert to fraction form
    1,856.70/2,795.97 = 1,340.33/x
  3. Step 3: Cross multiply
    1,856.70x = 2,795.97 × 1,340.33
  4. Step 4: Simplify right side
    1,856.70x = 3,747,513.52
  5. Step 5: Solve for x
    x = 3,747,513.52/1,856.70
  6. Step 6: Final answer
    x = 2,018.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.