Home / 3,386.53-4,673.39-1,894.45

Finding the Fourth Proportional to 3,386.53, 4,673.39 and 1,894.45

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Solution

The fourth proportional to 3,386.53, 4,673.39 and 1,894.45 is: 2,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.53 : 4,673.39 = 1,894.45 : x
  2. Step 2: Convert to fraction form
    3,386.53/4,673.39 = 1,894.45/x
  3. Step 3: Cross multiply
    3,386.53x = 4,673.39 × 1,894.45
  4. Step 4: Simplify right side
    3,386.53x = 8,853,503.69
  5. Step 5: Solve for x
    x = 8,853,503.69/3,386.53
  6. Step 6: Final answer
    x = 2,614.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.