Home / 1,954.60-2,694.18-1,528.48

Finding the Fourth Proportional to 1,954.60, 2,694.18 and 1,528.48

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Solution

The fourth proportional to 1,954.60, 2,694.18 and 1,528.48 is: 2,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.60 : 2,694.18 = 1,528.48 : x
  2. Step 2: Convert to fraction form
    1,954.60/2,694.18 = 1,528.48/x
  3. Step 3: Cross multiply
    1,954.60x = 2,694.18 × 1,528.48
  4. Step 4: Simplify right side
    1,954.60x = 4,118,000.25
  5. Step 5: Solve for x
    x = 4,118,000.25/1,954.60
  6. Step 6: Final answer
    x = 2,106.83

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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.