Home / 2,386.41-3,293.23-1,338.47

Finding the Fourth Proportional to 2,386.41, 3,293.23 and 1,338.47

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Solution

The fourth proportional to 2,386.41, 3,293.23 and 1,338.47 is: 1,847.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.41 : 3,293.23 = 1,338.47 : x
  2. Step 2: Convert to fraction form
    2,386.41/3,293.23 = 1,338.47/x
  3. Step 3: Cross multiply
    2,386.41x = 3,293.23 × 1,338.47
  4. Step 4: Simplify right side
    2,386.41x = 4,407,877.98
  5. Step 5: Solve for x
    x = 4,407,877.98/2,386.41
  6. Step 6: Final answer
    x = 1,847.08

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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.