Home / 2,386.68-3,293.62-1,338.74

Finding the Fourth Proportional to 2,386.68, 3,293.62 and 1,338.74

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Solution

The fourth proportional to 2,386.68, 3,293.62 and 1,338.74 is: 1,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.68 : 3,293.62 = 1,338.74 : x
  2. Step 2: Convert to fraction form
    2,386.68/3,293.62 = 1,338.74/x
  3. Step 3: Cross multiply
    2,386.68x = 3,293.62 × 1,338.74
  4. Step 4: Simplify right side
    2,386.68x = 4,409,300.84
  5. Step 5: Solve for x
    x = 4,409,300.84/2,386.68
  6. Step 6: Final answer
    x = 1,847.46

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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.