Home / 2,686.86-4,014.68-1,942.93

Finding the Fourth Proportional to 2,686.86, 4,014.68 and 1,942.93

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Solution

The fourth proportional to 2,686.86, 4,014.68 and 1,942.93 is: 2,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.86 : 4,014.68 = 1,942.93 : x
  2. Step 2: Convert to fraction form
    2,686.86/4,014.68 = 1,942.93/x
  3. Step 3: Cross multiply
    2,686.86x = 4,014.68 × 1,942.93
  4. Step 4: Simplify right side
    2,686.86x = 7,800,242.21
  5. Step 5: Solve for x
    x = 7,800,242.21/2,686.86
  6. Step 6: Final answer
    x = 2,903.11

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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.