Home / 1,829.94-2,525.60-1,387.11

Finding the Fourth Proportional to 1,829.94, 2,525.60 and 1,387.11

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Solution

The fourth proportional to 1,829.94, 2,525.60 and 1,387.11 is: 1,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.94 : 2,525.60 = 1,387.11 : x
  2. Step 2: Convert to fraction form
    1,829.94/2,525.60 = 1,387.11/x
  3. Step 3: Cross multiply
    1,829.94x = 2,525.60 × 1,387.11
  4. Step 4: Simplify right side
    1,829.94x = 3,503,278.08
  5. Step 5: Solve for x
    x = 3,503,278.08/1,829.94
  6. Step 6: Final answer
    x = 1,914.42

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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.