Home / 2,075.39-2,863.81-1,235.98

Finding the Fourth Proportional to 2,075.39, 2,863.81 and 1,235.98

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Solution

The fourth proportional to 2,075.39, 2,863.81 and 1,235.98 is: 1,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.39 : 2,863.81 = 1,235.98 : x
  2. Step 2: Convert to fraction form
    2,075.39/2,863.81 = 1,235.98/x
  3. Step 3: Cross multiply
    2,075.39x = 2,863.81 × 1,235.98
  4. Step 4: Simplify right side
    2,075.39x = 3,539,591.38
  5. Step 5: Solve for x
    x = 3,539,591.38/2,075.39
  6. Step 6: Final answer
    x = 1,705.51

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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.