Home / 2,106.99-3,160.58-1,557.54

Finding the Fourth Proportional to 2,106.99, 3,160.58 and 1,557.54

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Solution

The fourth proportional to 2,106.99, 3,160.58 and 1,557.54 is: 2,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.99 : 3,160.58 = 1,557.54 : x
  2. Step 2: Convert to fraction form
    2,106.99/3,160.58 = 1,557.54/x
  3. Step 3: Cross multiply
    2,106.99x = 3,160.58 × 1,557.54
  4. Step 4: Simplify right side
    2,106.99x = 4,922,721.99
  5. Step 5: Solve for x
    x = 4,922,721.99/2,106.99
  6. Step 6: Final answer
    x = 2,336.38

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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.