Home / 1,852.29-2,554.20-1,321.23

Finding the Fourth Proportional to 1,852.29, 2,554.20 and 1,321.23

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Solution

The fourth proportional to 1,852.29, 2,554.20 and 1,321.23 is: 1,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.29 : 2,554.20 = 1,321.23 : x
  2. Step 2: Convert to fraction form
    1,852.29/2,554.20 = 1,321.23/x
  3. Step 3: Cross multiply
    1,852.29x = 2,554.20 × 1,321.23
  4. Step 4: Simplify right side
    1,852.29x = 3,374,685.67
  5. Step 5: Solve for x
    x = 3,374,685.67/1,852.29
  6. Step 6: Final answer
    x = 1,821.90

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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.