Home / 2,038.45-3,053.74-1,217.38

Finding the Fourth Proportional to 2,038.45, 3,053.74 and 1,217.38

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Solution

The fourth proportional to 2,038.45, 3,053.74 and 1,217.38 is: 1,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.45 : 3,053.74 = 1,217.38 : x
  2. Step 2: Convert to fraction form
    2,038.45/3,053.74 = 1,217.38/x
  3. Step 3: Cross multiply
    2,038.45x = 3,053.74 × 1,217.38
  4. Step 4: Simplify right side
    2,038.45x = 3,717,562.00
  5. Step 5: Solve for x
    x = 3,717,562.00/2,038.45
  6. Step 6: Final answer
    x = 1,823.72

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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.