Home / 2,146.20-2,963.73-1,360.50

Finding the Fourth Proportional to 2,146.20, 2,963.73 and 1,360.50

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Solution

The fourth proportional to 2,146.20, 2,963.73 and 1,360.50 is: 1,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.20 : 2,963.73 = 1,360.50 : x
  2. Step 2: Convert to fraction form
    2,146.20/2,963.73 = 1,360.50/x
  3. Step 3: Cross multiply
    2,146.20x = 2,963.73 × 1,360.50
  4. Step 4: Simplify right side
    2,146.20x = 4,032,154.67
  5. Step 5: Solve for x
    x = 4,032,154.67/2,146.20
  6. Step 6: Final answer
    x = 1,878.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.