Home / 2,386.29-3,293.10-1,338.60

Finding the Fourth Proportional to 2,386.29, 3,293.10 and 1,338.60

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Solution

The fourth proportional to 2,386.29, 3,293.10 and 1,338.60 is: 1,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.29 : 3,293.10 = 1,338.60 : x
  2. Step 2: Convert to fraction form
    2,386.29/3,293.10 = 1,338.60/x
  3. Step 3: Cross multiply
    2,386.29x = 3,293.10 × 1,338.60
  4. Step 4: Simplify right side
    2,386.29x = 4,408,143.66
  5. Step 5: Solve for x
    x = 4,408,143.66/2,386.29
  6. Step 6: Final answer
    x = 1,847.28

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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.