Home / 3,097.23-4,274.15-1,918.41

Finding the Fourth Proportional to 3,097.23, 4,274.15 and 1,918.41

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Solution

The fourth proportional to 3,097.23, 4,274.15 and 1,918.41 is: 2,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.23 : 4,274.15 = 1,918.41 : x
  2. Step 2: Convert to fraction form
    3,097.23/4,274.15 = 1,918.41/x
  3. Step 3: Cross multiply
    3,097.23x = 4,274.15 × 1,918.41
  4. Step 4: Simplify right side
    3,097.23x = 8,199,562.51
  5. Step 5: Solve for x
    x = 8,199,562.51/3,097.23
  6. Step 6: Final answer
    x = 2,647.39

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1.5x scale

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.