Home / 2,357.36-3,253.19-1,309.49

Finding the Fourth Proportional to 2,357.36, 3,253.19 and 1,309.49

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Solution

The fourth proportional to 2,357.36, 3,253.19 and 1,309.49 is: 1,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,357.36 : 3,253.19 = 1,309.49 : x
  2. Step 2: Convert to fraction form
    2,357.36/3,253.19 = 1,309.49/x
  3. Step 3: Cross multiply
    2,357.36x = 3,253.19 × 1,309.49
  4. Step 4: Simplify right side
    2,357.36x = 4,259,996.96
  5. Step 5: Solve for x
    x = 4,259,996.96/2,357.36
  6. Step 6: Final answer
    x = 1,807.11

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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.