Home / 2,756.05-4,134.76-1,370.05

Finding the Fourth Proportional to 2,756.05, 4,134.76 and 1,370.05

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Solution

The fourth proportional to 2,756.05, 4,134.76 and 1,370.05 is: 2,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.05 : 4,134.76 = 1,370.05 : x
  2. Step 2: Convert to fraction form
    2,756.05/4,134.76 = 1,370.05/x
  3. Step 3: Cross multiply
    2,756.05x = 4,134.76 × 1,370.05
  4. Step 4: Simplify right side
    2,756.05x = 5,664,814.18
  5. Step 5: Solve for x
    x = 5,664,814.18/2,756.05
  6. Step 6: Final answer
    x = 2,055.41

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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.