Home / 2,853.14-4,272.80-1,973.30

Finding the Fourth Proportional to 2,853.14, 4,272.80 and 1,973.30

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Solution

The fourth proportional to 2,853.14, 4,272.80 and 1,973.30 is: 2,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.14 : 4,272.80 = 1,973.30 : x
  2. Step 2: Convert to fraction form
    2,853.14/4,272.80 = 1,973.30/x
  3. Step 3: Cross multiply
    2,853.14x = 4,272.80 × 1,973.30
  4. Step 4: Simplify right side
    2,853.14x = 8,431,516.24
  5. Step 5: Solve for x
    x = 8,431,516.24/2,853.14
  6. Step 6: Final answer
    x = 2,955.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.