Home / 2,075.23-2,863.51-1,190.89

Finding the Fourth Proportional to 2,075.23, 2,863.51 and 1,190.89

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Solution

The fourth proportional to 2,075.23, 2,863.51 and 1,190.89 is: 1,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.23 : 2,863.51 = 1,190.89 : x
  2. Step 2: Convert to fraction form
    2,075.23/2,863.51 = 1,190.89/x
  3. Step 3: Cross multiply
    2,075.23x = 2,863.51 × 1,190.89
  4. Step 4: Simplify right side
    2,075.23x = 3,410,125.42
  5. Step 5: Solve for x
    x = 3,410,125.42/2,075.23
  6. Step 6: Final answer
    x = 1,643.25

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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.