Home / 2,742.39-3,784.46-1,500.39

Finding the Fourth Proportional to 2,742.39, 3,784.46 and 1,500.39

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Solution

The fourth proportional to 2,742.39, 3,784.46 and 1,500.39 is: 2,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.39 : 3,784.46 = 1,500.39 : x
  2. Step 2: Convert to fraction form
    2,742.39/3,784.46 = 1,500.39/x
  3. Step 3: Cross multiply
    2,742.39x = 3,784.46 × 1,500.39
  4. Step 4: Simplify right side
    2,742.39x = 5,678,158.44
  5. Step 5: Solve for x
    x = 5,678,158.44/2,742.39
  6. Step 6: Final answer
    x = 2,070.51

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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.