Home / 2,075.25-2,863.90-1,191.22

Finding the Fourth Proportional to 2,075.25, 2,863.90 and 1,191.22

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Solution

The fourth proportional to 2,075.25, 2,863.90 and 1,191.22 is: 1,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.25 : 2,863.90 = 1,191.22 : x
  2. Step 2: Convert to fraction form
    2,075.25/2,863.90 = 1,191.22/x
  3. Step 3: Cross multiply
    2,075.25x = 2,863.90 × 1,191.22
  4. Step 4: Simplify right side
    2,075.25x = 3,411,534.96
  5. Step 5: Solve for x
    x = 3,411,534.96/2,075.25
  6. Step 6: Final answer
    x = 1,643.92

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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.