Home / 2,075.88-3,112.90-1,101.76

Finding the Fourth Proportional to 2,075.88, 3,112.90 and 1,101.76

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Solution

The fourth proportional to 2,075.88, 3,112.90 and 1,101.76 is: 1,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.88 : 3,112.90 = 1,101.76 : x
  2. Step 2: Convert to fraction form
    2,075.88/3,112.90 = 1,101.76/x
  3. Step 3: Cross multiply
    2,075.88x = 3,112.90 × 1,101.76
  4. Step 4: Simplify right side
    2,075.88x = 3,429,668.70
  5. Step 5: Solve for x
    x = 3,429,668.70/2,075.88
  6. Step 6: Final answer
    x = 1,652.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.