Home / 3,182.36-4,391.44-1,785

Finding the Fourth Proportional to 3,182.36, 4,391.44 and 1,785

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Solution

The fourth proportional to 3,182.36, 4,391.44 and 1,785 is: 2,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.36 : 4,391.44 = 1,785 : x
  2. Step 2: Convert to fraction form
    3,182.36/4,391.44 = 1,785/x
  3. Step 3: Cross multiply
    3,182.36x = 4,391.44 × 1,785
  4. Step 4: Simplify right side
    3,182.36x = 7,838,720.40
  5. Step 5: Solve for x
    x = 7,838,720.40/3,182.36
  6. Step 6: Final answer
    x = 2,463.18

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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.