Home / 1,860.94-2,568.41-1,418.01

Finding the Fourth Proportional to 1,860.94, 2,568.41 and 1,418.01

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Solution

The fourth proportional to 1,860.94, 2,568.41 and 1,418.01 is: 1,957.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.94 : 2,568.41 = 1,418.01 : x
  2. Step 2: Convert to fraction form
    1,860.94/2,568.41 = 1,418.01/x
  3. Step 3: Cross multiply
    1,860.94x = 2,568.41 × 1,418.01
  4. Step 4: Simplify right side
    1,860.94x = 3,642,031.06
  5. Step 5: Solve for x
    x = 3,642,031.06/1,860.94
  6. Step 6: Final answer
    x = 1,957.09

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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.