Home / 3,095.06-4,271.22-1,678.77

Finding the Fourth Proportional to 3,095.06, 4,271.22 and 1,678.77

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Solution

The fourth proportional to 3,095.06, 4,271.22 and 1,678.77 is: 2,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.06 : 4,271.22 = 1,678.77 : x
  2. Step 2: Convert to fraction form
    3,095.06/4,271.22 = 1,678.77/x
  3. Step 3: Cross multiply
    3,095.06x = 4,271.22 × 1,678.77
  4. Step 4: Simplify right side
    3,095.06x = 7,170,396.00
  5. Step 5: Solve for x
    x = 7,170,396.00/3,095.06
  6. Step 6: Final answer
    x = 2,316.73

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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.