Home / 1,277.44-1,913.73-1,217.50

Finding the Fourth Proportional to 1,277.44, 1,913.73 and 1,217.50

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Solution

The fourth proportional to 1,277.44, 1,913.73 and 1,217.50 is: 1,823.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277.44 : 1,913.73 = 1,217.50 : x
  2. Step 2: Convert to fraction form
    1,277.44/1,913.73 = 1,217.50/x
  3. Step 3: Cross multiply
    1,277.44x = 1,913.73 × 1,217.50
  4. Step 4: Simplify right side
    1,277.44x = 2,329,966.28
  5. Step 5: Solve for x
    x = 2,329,966.28/1,277.44
  6. Step 6: Final answer
    x = 1,823.93

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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.