Home / 1,963.02-2,708.13-1,438.14

Finding the Fourth Proportional to 1,963.02, 2,708.13 and 1,438.14

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Solution

The fourth proportional to 1,963.02, 2,708.13 and 1,438.14 is: 1,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.02 : 2,708.13 = 1,438.14 : x
  2. Step 2: Convert to fraction form
    1,963.02/2,708.13 = 1,438.14/x
  3. Step 3: Cross multiply
    1,963.02x = 2,708.13 × 1,438.14
  4. Step 4: Simplify right side
    1,963.02x = 3,894,670.08
  5. Step 5: Solve for x
    x = 3,894,670.08/1,963.02
  6. Step 6: Final answer
    x = 1,984.02

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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.