Home / 2,293.41-3,164.95-1,245.48

Finding the Fourth Proportional to 2,293.41, 3,164.95 and 1,245.48

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Solution

The fourth proportional to 2,293.41, 3,164.95 and 1,245.48 is: 1,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.41 : 3,164.95 = 1,245.48 : x
  2. Step 2: Convert to fraction form
    2,293.41/3,164.95 = 1,245.48/x
  3. Step 3: Cross multiply
    2,293.41x = 3,164.95 × 1,245.48
  4. Step 4: Simplify right side
    2,293.41x = 3,941,881.93
  5. Step 5: Solve for x
    x = 3,941,881.93/2,293.41
  6. Step 6: Final answer
    x = 1,718.79

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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.