Home / 2,386.36-3,293.16-1,338.42

Finding the Fourth Proportional to 2,386.36, 3,293.16 and 1,338.42

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Solution

The fourth proportional to 2,386.36, 3,293.16 and 1,338.42 is: 1,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.36 : 3,293.16 = 1,338.42 : x
  2. Step 2: Convert to fraction form
    2,386.36/3,293.16 = 1,338.42/x
  3. Step 3: Cross multiply
    2,386.36x = 3,293.16 × 1,338.42
  4. Step 4: Simplify right side
    2,386.36x = 4,407,631.21
  5. Step 5: Solve for x
    x = 4,407,631.21/2,386.36
  6. Step 6: Final answer
    x = 1,847.01

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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.