Home / 3,814.14-5,720.40-1,077.50

Finding the Fourth Proportional to 3,814.14, 5,720.40 and 1,077.50

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Solution

The fourth proportional to 3,814.14, 5,720.40 and 1,077.50 is: 1,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.14 : 5,720.40 = 1,077.50 : x
  2. Step 2: Convert to fraction form
    3,814.14/5,720.40 = 1,077.50/x
  3. Step 3: Cross multiply
    3,814.14x = 5,720.40 × 1,077.50
  4. Step 4: Simplify right side
    3,814.14x = 6,163,731
  5. Step 5: Solve for x
    x = 6,163,731/3,814.14
  6. Step 6: Final answer
    x = 1,616.02

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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.