Home / 1,895.36-2,614.87-1,399.18

Finding the Fourth Proportional to 1,895.36, 2,614.87 and 1,399.18

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Solution

The fourth proportional to 1,895.36, 2,614.87 and 1,399.18 is: 1,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.36 : 2,614.87 = 1,399.18 : x
  2. Step 2: Convert to fraction form
    1,895.36/2,614.87 = 1,399.18/x
  3. Step 3: Cross multiply
    1,895.36x = 2,614.87 × 1,399.18
  4. Step 4: Simplify right side
    1,895.36x = 3,658,673.81
  5. Step 5: Solve for x
    x = 3,658,673.81/1,895.36
  6. Step 6: Final answer
    x = 1,930.33

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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.