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Finding the Fourth Proportional to 1,468.94, 2,026.62 and 1,355.94

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Solution

The fourth proportional to 1,468.94, 2,026.62 and 1,355.94 is: 1,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.94 : 2,026.62 = 1,355.94 : x
  2. Step 2: Convert to fraction form
    1,468.94/2,026.62 = 1,355.94/x
  3. Step 3: Cross multiply
    1,468.94x = 2,026.62 × 1,355.94
  4. Step 4: Simplify right side
    1,468.94x = 2,747,975.12
  5. Step 5: Solve for x
    x = 2,747,975.12/1,468.94
  6. Step 6: Final answer
    x = 1,870.73

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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.