Home / 2,967.19-4,094.80-1,921.07

Finding the Fourth Proportional to 2,967.19, 4,094.80 and 1,921.07

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Solution

The fourth proportional to 2,967.19, 4,094.80 and 1,921.07 is: 2,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.19 : 4,094.80 = 1,921.07 : x
  2. Step 2: Convert to fraction form
    2,967.19/4,094.80 = 1,921.07/x
  3. Step 3: Cross multiply
    2,967.19x = 4,094.80 × 1,921.07
  4. Step 4: Simplify right side
    2,967.19x = 7,866,402.87
  5. Step 5: Solve for x
    x = 7,866,402.87/2,967.19
  6. Step 6: Final answer
    x = 2,651.13

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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.