Home / 1,977.07-2,724.61-1,416.58

Finding the Fourth Proportional to 1,977.07, 2,724.61 and 1,416.58

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Solution

The fourth proportional to 1,977.07, 2,724.61 and 1,416.58 is: 1,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.07 : 2,724.61 = 1,416.58 : x
  2. Step 2: Convert to fraction form
    1,977.07/2,724.61 = 1,416.58/x
  3. Step 3: Cross multiply
    1,977.07x = 2,724.61 × 1,416.58
  4. Step 4: Simplify right side
    1,977.07x = 3,859,628.03
  5. Step 5: Solve for x
    x = 3,859,628.03/1,977.07
  6. Step 6: Final answer
    x = 1,952.20

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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.