Home / 1,941.08-2,675.57-1,311.41

Finding the Fourth Proportional to 1,941.08, 2,675.57 and 1,311.41

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Solution

The fourth proportional to 1,941.08, 2,675.57 and 1,311.41 is: 1,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.08 : 2,675.57 = 1,311.41 : x
  2. Step 2: Convert to fraction form
    1,941.08/2,675.57 = 1,311.41/x
  3. Step 3: Cross multiply
    1,941.08x = 2,675.57 × 1,311.41
  4. Step 4: Simplify right side
    1,941.08x = 3,508,779.22
  5. Step 5: Solve for x
    x = 3,508,779.22/1,941.08
  6. Step 6: Final answer
    x = 1,807.64

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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.