Home / 2,975.86-4,106.61-1,716.91

Finding the Fourth Proportional to 2,975.86, 4,106.61 and 1,716.91

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Solution

The fourth proportional to 2,975.86, 4,106.61 and 1,716.91 is: 2,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.86 : 4,106.61 = 1,716.91 : x
  2. Step 2: Convert to fraction form
    2,975.86/4,106.61 = 1,716.91/x
  3. Step 3: Cross multiply
    2,975.86x = 4,106.61 × 1,716.91
  4. Step 4: Simplify right side
    2,975.86x = 7,050,679.78
  5. Step 5: Solve for x
    x = 7,050,679.78/2,975.86
  6. Step 6: Final answer
    x = 2,369.29

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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.