Home / 1,860.69-2,567.66-1,271.37

Finding the Fourth Proportional to 1,860.69, 2,567.66 and 1,271.37

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Solution

The fourth proportional to 1,860.69, 2,567.66 and 1,271.37 is: 1,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.69 : 2,567.66 = 1,271.37 : x
  2. Step 2: Convert to fraction form
    1,860.69/2,567.66 = 1,271.37/x
  3. Step 3: Cross multiply
    1,860.69x = 2,567.66 × 1,271.37
  4. Step 4: Simplify right side
    1,860.69x = 3,264,439.54
  5. Step 5: Solve for x
    x = 3,264,439.54/1,860.69
  6. Step 6: Final answer
    x = 1,754.42

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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.