Home / 4,075.80-5,624.56-2,212.80

Finding the Fourth Proportional to 4,075.80, 5,624.56 and 2,212.80

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Solution

The fourth proportional to 4,075.80, 5,624.56 and 2,212.80 is: 3,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.80 : 5,624.56 = 2,212.80 : x
  2. Step 2: Convert to fraction form
    4,075.80/5,624.56 = 2,212.80/x
  3. Step 3: Cross multiply
    4,075.80x = 5,624.56 × 2,212.80
  4. Step 4: Simplify right side
    4,075.80x = 12,446,026.37
  5. Step 5: Solve for x
    x = 12,446,026.37/4,075.80
  6. Step 6: Final answer
    x = 3,053.64

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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.