Home / 1,860.96-2,569.14-1,272.36

Finding the Fourth Proportional to 1,860.96, 2,569.14 and 1,272.36

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Solution

The fourth proportional to 1,860.96, 2,569.14 and 1,272.36 is: 1,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.96 : 2,569.14 = 1,272.36 : x
  2. Step 2: Convert to fraction form
    1,860.96/2,569.14 = 1,272.36/x
  3. Step 3: Cross multiply
    1,860.96x = 2,569.14 × 1,272.36
  4. Step 4: Simplify right side
    1,860.96x = 3,268,870.97
  5. Step 5: Solve for x
    x = 3,268,870.97/1,860.96
  6. Step 6: Final answer
    x = 1,756.55

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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.