Home / 2,166.08-3,249.42-1,055.55

Finding the Fourth Proportional to 2,166.08, 3,249.42 and 1,055.55

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Solution

The fourth proportional to 2,166.08, 3,249.42 and 1,055.55 is: 1,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.08 : 3,249.42 = 1,055.55 : x
  2. Step 2: Convert to fraction form
    2,166.08/3,249.42 = 1,055.55/x
  3. Step 3: Cross multiply
    2,166.08x = 3,249.42 × 1,055.55
  4. Step 4: Simplify right side
    2,166.08x = 3,429,925.28
  5. Step 5: Solve for x
    x = 3,429,925.28/2,166.08
  6. Step 6: Final answer
    x = 1,583.47

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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.