Home / 2,751.15-4,126.71-1,828.50

Finding the Fourth Proportional to 2,751.15, 4,126.71 and 1,828.50

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Solution

The fourth proportional to 2,751.15, 4,126.71 and 1,828.50 is: 2,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.15 : 4,126.71 = 1,828.50 : x
  2. Step 2: Convert to fraction form
    2,751.15/4,126.71 = 1,828.50/x
  3. Step 3: Cross multiply
    2,751.15x = 4,126.71 × 1,828.50
  4. Step 4: Simplify right side
    2,751.15x = 7,545,689.24
  5. Step 5: Solve for x
    x = 7,545,689.24/2,751.15
  6. Step 6: Final answer
    x = 2,742.74

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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.