Home / 2,445.36-3,668.04-1,057.56

Finding the Fourth Proportional to 2,445.36, 3,668.04 and 1,057.56

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Solution

The fourth proportional to 2,445.36, 3,668.04 and 1,057.56 is: 1,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.36 : 3,668.04 = 1,057.56 : x
  2. Step 2: Convert to fraction form
    2,445.36/3,668.04 = 1,057.56/x
  3. Step 3: Cross multiply
    2,445.36x = 3,668.04 × 1,057.56
  4. Step 4: Simplify right side
    2,445.36x = 3,879,172.38
  5. Step 5: Solve for x
    x = 3,879,172.38/2,445.36
  6. Step 6: Final answer
    x = 1,586.34

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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.