Home / 1,971.16-2,952.54-1,880.92

Finding the Fourth Proportional to 1,971.16, 2,952.54 and 1,880.92

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Solution

The fourth proportional to 1,971.16, 2,952.54 and 1,880.92 is: 2,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.16 : 2,952.54 = 1,880.92 : x
  2. Step 2: Convert to fraction form
    1,971.16/2,952.54 = 1,880.92/x
  3. Step 3: Cross multiply
    1,971.16x = 2,952.54 × 1,880.92
  4. Step 4: Simplify right side
    1,971.16x = 5,553,491.54
  5. Step 5: Solve for x
    x = 5,553,491.54/1,971.16
  6. Step 6: Final answer
    x = 2,817.37

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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.