Home / 3,173.95-4,368.69-2,636.92

Finding the Fourth Proportional to 3,173.95, 4,368.69 and 2,636.92

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Solution

The fourth proportional to 3,173.95, 4,368.69 and 2,636.92 is: 3,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.95 : 4,368.69 = 2,636.92 : x
  2. Step 2: Convert to fraction form
    3,173.95/4,368.69 = 2,636.92/x
  3. Step 3: Cross multiply
    3,173.95x = 4,368.69 × 2,636.92
  4. Step 4: Simplify right side
    3,173.95x = 11,519,886.03
  5. Step 5: Solve for x
    x = 11,519,886.03/3,173.95
  6. Step 6: Final answer
    x = 3,629.51

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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.