Home / 3,386.31-4,673.55-1,894.29

Finding the Fourth Proportional to 3,386.31, 4,673.55 and 1,894.29

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Solution

The fourth proportional to 3,386.31, 4,673.55 and 1,894.29 is: 2,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.31 : 4,673.55 = 1,894.29 : x
  2. Step 2: Convert to fraction form
    3,386.31/4,673.55 = 1,894.29/x
  3. Step 3: Cross multiply
    3,386.31x = 4,673.55 × 1,894.29
  4. Step 4: Simplify right side
    3,386.31x = 8,853,059.03
  5. Step 5: Solve for x
    x = 8,853,059.03/3,386.31
  6. Step 6: Final answer
    x = 2,614.37

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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.