Home / 1,907.22-2,858.37-1,886.58

Finding the Fourth Proportional to 1,907.22, 2,858.37 and 1,886.58

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Solution

The fourth proportional to 1,907.22, 2,858.37 and 1,886.58 is: 2,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.22 : 2,858.37 = 1,886.58 : x
  2. Step 2: Convert to fraction form
    1,907.22/2,858.37 = 1,886.58/x
  3. Step 3: Cross multiply
    1,907.22x = 2,858.37 × 1,886.58
  4. Step 4: Simplify right side
    1,907.22x = 5,392,543.67
  5. Step 5: Solve for x
    x = 5,392,543.67/1,907.22
  6. Step 6: Final answer
    x = 2,827.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.