Home / 1,852.12-2,780.62-1,699.30

Finding the Fourth Proportional to 1,852.12, 2,780.62 and 1,699.30

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Solution

The fourth proportional to 1,852.12, 2,780.62 and 1,699.30 is: 2,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.12 : 2,780.62 = 1,699.30 : x
  2. Step 2: Convert to fraction form
    1,852.12/2,780.62 = 1,699.30/x
  3. Step 3: Cross multiply
    1,852.12x = 2,780.62 × 1,699.30
  4. Step 4: Simplify right side
    1,852.12x = 4,725,107.57
  5. Step 5: Solve for x
    x = 4,725,107.57/1,852.12
  6. Step 6: Final answer
    x = 2,551.19

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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.