Home / 3,079.72-4,622.01-1,435.42

Finding the Fourth Proportional to 3,079.72, 4,622.01 and 1,435.42

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Solution

The fourth proportional to 3,079.72, 4,622.01 and 1,435.42 is: 2,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.72 : 4,622.01 = 1,435.42 : x
  2. Step 2: Convert to fraction form
    3,079.72/4,622.01 = 1,435.42/x
  3. Step 3: Cross multiply
    3,079.72x = 4,622.01 × 1,435.42
  4. Step 4: Simplify right side
    3,079.72x = 6,634,495.31
  5. Step 5: Solve for x
    x = 6,634,495.31/3,079.72
  6. Step 6: Final answer
    x = 2,154.26

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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.