Home / 3,071.55-4,236.39-2,075.25

Finding the Fourth Proportional to 3,071.55, 4,236.39 and 2,075.25

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Solution

The fourth proportional to 3,071.55, 4,236.39 and 2,075.25 is: 2,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.55 : 4,236.39 = 2,075.25 : x
  2. Step 2: Convert to fraction form
    3,071.55/4,236.39 = 2,075.25/x
  3. Step 3: Cross multiply
    3,071.55x = 4,236.39 × 2,075.25
  4. Step 4: Simplify right side
    3,071.55x = 8,791,568.35
  5. Step 5: Solve for x
    x = 8,791,568.35/3,071.55
  6. Step 6: Final answer
    x = 2,862.26

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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.