Home / 2,291.56-3,163.80-1,701.40

Finding the Fourth Proportional to 2,291.56, 3,163.80 and 1,701.40

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Solution

The fourth proportional to 2,291.56, 3,163.80 and 1,701.40 is: 2,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.56 : 3,163.80 = 1,701.40 : x
  2. Step 2: Convert to fraction form
    2,291.56/3,163.80 = 1,701.40/x
  3. Step 3: Cross multiply
    2,291.56x = 3,163.80 × 1,701.40
  4. Step 4: Simplify right side
    2,291.56x = 5,382,889.32
  5. Step 5: Solve for x
    x = 5,382,889.32/2,291.56
  6. Step 6: Final answer
    x = 2,349.01

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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.