Home / 1,955.69-2,929.23-1,847.86

Finding the Fourth Proportional to 1,955.69, 2,929.23 and 1,847.86

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Solution

The fourth proportional to 1,955.69, 2,929.23 and 1,847.86 is: 2,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.69 : 2,929.23 = 1,847.86 : x
  2. Step 2: Convert to fraction form
    1,955.69/2,929.23 = 1,847.86/x
  3. Step 3: Cross multiply
    1,955.69x = 2,929.23 × 1,847.86
  4. Step 4: Simplify right side
    1,955.69x = 5,412,811.57
  5. Step 5: Solve for x
    x = 5,412,811.57/1,955.69
  6. Step 6: Final answer
    x = 2,767.72

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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.