Home / 2,673.90-4,007.75-1,113.03

Finding the Fourth Proportional to 2,673.90, 4,007.75 and 1,113.03

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Solution

The fourth proportional to 2,673.90, 4,007.75 and 1,113.03 is: 1,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.90 : 4,007.75 = 1,113.03 : x
  2. Step 2: Convert to fraction form
    2,673.90/4,007.75 = 1,113.03/x
  3. Step 3: Cross multiply
    2,673.90x = 4,007.75 × 1,113.03
  4. Step 4: Simplify right side
    2,673.90x = 4,460,740.42
  5. Step 5: Solve for x
    x = 4,460,740.42/2,673.90
  6. Step 6: Final answer
    x = 1,668.25

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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.