Home / 3,369.34-5,053.76-1,289.53

Finding the Fourth Proportional to 3,369.34, 5,053.76 and 1,289.53

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Solution

The fourth proportional to 3,369.34, 5,053.76 and 1,289.53 is: 1,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.34 : 5,053.76 = 1,289.53 : x
  2. Step 2: Convert to fraction form
    3,369.34/5,053.76 = 1,289.53/x
  3. Step 3: Cross multiply
    3,369.34x = 5,053.76 × 1,289.53
  4. Step 4: Simplify right side
    3,369.34x = 6,516,975.13
  5. Step 5: Solve for x
    x = 6,516,975.13/3,369.34
  6. Step 6: Final answer
    x = 1,934.20

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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.