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Finding the Fourth Proportional to 1,976.20, 2,963.42 and 589.07

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Solution

The fourth proportional to 1,976.20, 2,963.42 and 589.07 is: 883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.20 : 2,963.42 = 589.07 : x
  2. Step 2: Convert to fraction form
    1,976.20/2,963.42 = 589.07/x
  3. Step 3: Cross multiply
    1,976.20x = 2,963.42 × 589.07
  4. Step 4: Simplify right side
    1,976.20x = 1,745,668.49
  5. Step 5: Solve for x
    x = 1,745,668.49/1,976.20
  6. Step 6: Final answer
    x = 883.35

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1.5x scale

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.