Home / 1,859.49-2,566.62-1,198.13

Finding the Fourth Proportional to 1,859.49, 2,566.62 and 1,198.13

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Solution

The fourth proportional to 1,859.49, 2,566.62 and 1,198.13 is: 1,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.49 : 2,566.62 = 1,198.13 : x
  2. Step 2: Convert to fraction form
    1,859.49/2,566.62 = 1,198.13/x
  3. Step 3: Cross multiply
    1,859.49x = 2,566.62 × 1,198.13
  4. Step 4: Simplify right side
    1,859.49x = 3,075,131.59
  5. Step 5: Solve for x
    x = 3,075,131.59/1,859.49
  6. Step 6: Final answer
    x = 1,653.75

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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.