Home / 2,148.54-3,199.68-2,075.64

Finding the Fourth Proportional to 2,148.54, 3,199.68 and 2,075.64

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Solution

The fourth proportional to 2,148.54, 3,199.68 and 2,075.64 is: 3,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.54 : 3,199.68 = 2,075.64 : x
  2. Step 2: Convert to fraction form
    2,148.54/3,199.68 = 2,075.64/x
  3. Step 3: Cross multiply
    2,148.54x = 3,199.68 × 2,075.64
  4. Step 4: Simplify right side
    2,148.54x = 6,641,383.80
  5. Step 5: Solve for x
    x = 6,641,383.80/2,148.54
  6. Step 6: Final answer
    x = 3,091.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.