Home / 2,823.74-4,235.64-1,362.50

Finding the Fourth Proportional to 2,823.74, 4,235.64 and 1,362.50

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Solution

The fourth proportional to 2,823.74, 4,235.64 and 1,362.50 is: 2,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.74 : 4,235.64 = 1,362.50 : x
  2. Step 2: Convert to fraction form
    2,823.74/4,235.64 = 1,362.50/x
  3. Step 3: Cross multiply
    2,823.74x = 4,235.64 × 1,362.50
  4. Step 4: Simplify right side
    2,823.74x = 5,771,059.50
  5. Step 5: Solve for x
    x = 5,771,059.50/2,823.74
  6. Step 6: Final answer
    x = 2,043.76

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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.