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Finding the Fourth Proportional to 1,952.98, 2,928.93 and 1,400.56

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Solution

The fourth proportional to 1,952.98, 2,928.93 and 1,400.56 is: 2,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.98 : 2,928.93 = 1,400.56 : x
  2. Step 2: Convert to fraction form
    1,952.98/2,928.93 = 1,400.56/x
  3. Step 3: Cross multiply
    1,952.98x = 2,928.93 × 1,400.56
  4. Step 4: Simplify right side
    1,952.98x = 4,102,142.20
  5. Step 5: Solve for x
    x = 4,102,142.20/1,952.98
  6. Step 6: Final answer
    x = 2,100.45

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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.