Home / 3,788.48-5,683.56-1,480

Finding the Fourth Proportional to 3,788.48, 5,683.56 and 1,480

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Solution

The fourth proportional to 3,788.48, 5,683.56 and 1,480 is: 2,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.48 : 5,683.56 = 1,480 : x
  2. Step 2: Convert to fraction form
    3,788.48/5,683.56 = 1,480/x
  3. Step 3: Cross multiply
    3,788.48x = 5,683.56 × 1,480
  4. Step 4: Simplify right side
    3,788.48x = 8,411,668.80
  5. Step 5: Solve for x
    x = 8,411,668.80/3,788.48
  6. Step 6: Final answer
    x = 2,220.33

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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.