Home / 1,552.33-2,139.20-1,450.81

Finding the Fourth Proportional to 1,552.33, 2,139.20 and 1,450.81

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Solution

The fourth proportional to 1,552.33, 2,139.20 and 1,450.81 is: 1,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.33 : 2,139.20 = 1,450.81 : x
  2. Step 2: Convert to fraction form
    1,552.33/2,139.20 = 1,450.81/x
  3. Step 3: Cross multiply
    1,552.33x = 2,139.20 × 1,450.81
  4. Step 4: Simplify right side
    1,552.33x = 3,103,562.06
  5. Step 5: Solve for x
    x = 3,103,562.06/1,552.33
  6. Step 6: Final answer
    x = 1,999.30

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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.