Home / 4,075.06-5,622-2,881.80

Finding the Fourth Proportional to 4,075.06, 5,622 and 2,881.80

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Solution

The fourth proportional to 4,075.06, 5,622 and 2,881.80 is: 3,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.06 : 5,622 = 2,881.80 : x
  2. Step 2: Convert to fraction form
    4,075.06/5,622 = 2,881.80/x
  3. Step 3: Cross multiply
    4,075.06x = 5,622 × 2,881.80
  4. Step 4: Simplify right side
    4,075.06x = 16,201,479.60
  5. Step 5: Solve for x
    x = 16,201,479.60/4,075.06
  6. Step 6: Final answer
    x = 3,975.76

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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.