Home / 2,528.34-3,791.05-1,045.80

Finding the Fourth Proportional to 2,528.34, 3,791.05 and 1,045.80

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Solution

The fourth proportional to 2,528.34, 3,791.05 and 1,045.80 is: 1,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.34 : 3,791.05 = 1,045.80 : x
  2. Step 2: Convert to fraction form
    2,528.34/3,791.05 = 1,045.80/x
  3. Step 3: Cross multiply
    2,528.34x = 3,791.05 × 1,045.80
  4. Step 4: Simplify right side
    2,528.34x = 3,964,680.09
  5. Step 5: Solve for x
    x = 3,964,680.09/2,528.34
  6. Step 6: Final answer
    x = 1,568.10

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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.