Home / 1,952.28-2,930.76-1,643.40

Finding the Fourth Proportional to 1,952.28, 2,930.76 and 1,643.40

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Solution

The fourth proportional to 1,952.28, 2,930.76 and 1,643.40 is: 2,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.28 : 2,930.76 = 1,643.40 : x
  2. Step 2: Convert to fraction form
    1,952.28/2,930.76 = 1,643.40/x
  3. Step 3: Cross multiply
    1,952.28x = 2,930.76 × 1,643.40
  4. Step 4: Simplify right side
    1,952.28x = 4,816,410.98
  5. Step 5: Solve for x
    x = 4,816,410.98/1,952.28
  6. Step 6: Final answer
    x = 2,467.07

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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.