Home / 2,075.61-2,863.73-1,235.88

Finding the Fourth Proportional to 2,075.61, 2,863.73 and 1,235.88

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Solution

The fourth proportional to 2,075.61, 2,863.73 and 1,235.88 is: 1,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.61 : 2,863.73 = 1,235.88 : x
  2. Step 2: Convert to fraction form
    2,075.61/2,863.73 = 1,235.88/x
  3. Step 3: Cross multiply
    2,075.61x = 2,863.73 × 1,235.88
  4. Step 4: Simplify right side
    2,075.61x = 3,539,220.45
  5. Step 5: Solve for x
    x = 3,539,220.45/2,075.61
  6. Step 6: Final answer
    x = 1,705.15

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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.