Home / 3,653.01-5,040.36-2,159.91

Finding the Fourth Proportional to 3,653.01, 5,040.36 and 2,159.91

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Solution

The fourth proportional to 3,653.01, 5,040.36 and 2,159.91 is: 2,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.01 : 5,040.36 = 2,159.91 : x
  2. Step 2: Convert to fraction form
    3,653.01/5,040.36 = 2,159.91/x
  3. Step 3: Cross multiply
    3,653.01x = 5,040.36 × 2,159.91
  4. Step 4: Simplify right side
    3,653.01x = 10,886,723.97
  5. Step 5: Solve for x
    x = 10,886,723.97/3,653.01
  6. Step 6: Final answer
    x = 2,980.21

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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.