Home / 2,245.35-3,098.76-1,301.40

Finding the Fourth Proportional to 2,245.35, 3,098.76 and 1,301.40

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Solution

The fourth proportional to 2,245.35, 3,098.76 and 1,301.40 is: 1,796.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.35 : 3,098.76 = 1,301.40 : x
  2. Step 2: Convert to fraction form
    2,245.35/3,098.76 = 1,301.40/x
  3. Step 3: Cross multiply
    2,245.35x = 3,098.76 × 1,301.40
  4. Step 4: Simplify right side
    2,245.35x = 4,032,721.38
  5. Step 5: Solve for x
    x = 4,032,721.38/2,245.35
  6. Step 6: Final answer
    x = 1,796.03

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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.