Home / 1,330.19-1,995.29-1,328.27

Finding the Fourth Proportional to 1,330.19, 1,995.29 and 1,328.27

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Solution

The fourth proportional to 1,330.19, 1,995.29 and 1,328.27 is: 1,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330.19 : 1,995.29 = 1,328.27 : x
  2. Step 2: Convert to fraction form
    1,330.19/1,995.29 = 1,328.27/x
  3. Step 3: Cross multiply
    1,330.19x = 1,995.29 × 1,328.27
  4. Step 4: Simplify right side
    1,330.19x = 2,650,277.88
  5. Step 5: Solve for x
    x = 2,650,277.88/1,330.19
  6. Step 6: Final answer
    x = 1,992.41

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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.