Home / 3,749.47-5,622.59-1,284.53

Finding the Fourth Proportional to 3,749.47, 5,622.59 and 1,284.53

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Solution

The fourth proportional to 3,749.47, 5,622.59 and 1,284.53 is: 1,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.47 : 5,622.59 = 1,284.53 : x
  2. Step 2: Convert to fraction form
    3,749.47/5,622.59 = 1,284.53/x
  3. Step 3: Cross multiply
    3,749.47x = 5,622.59 × 1,284.53
  4. Step 4: Simplify right side
    3,749.47x = 7,222,402.80
  5. Step 5: Solve for x
    x = 7,222,402.80/3,749.47
  6. Step 6: Final answer
    x = 1,926.25

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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.