Home / 1,968.32-2,710.68-1,962.38

Finding the Fourth Proportional to 1,968.32, 2,710.68 and 1,962.38

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Solution

The fourth proportional to 1,968.32, 2,710.68 and 1,962.38 is: 2,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.32 : 2,710.68 = 1,962.38 : x
  2. Step 2: Convert to fraction form
    1,968.32/2,710.68 = 1,962.38/x
  3. Step 3: Cross multiply
    1,968.32x = 2,710.68 × 1,962.38
  4. Step 4: Simplify right side
    1,968.32x = 5,319,384.22
  5. Step 5: Solve for x
    x = 5,319,384.22/1,968.32
  6. Step 6: Final answer
    x = 2,702.50

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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.