Home / 2,924.24-4,387.80-2,145.02

Finding the Fourth Proportional to 2,924.24, 4,387.80 and 2,145.02

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Solution

The fourth proportional to 2,924.24, 4,387.80 and 2,145.02 is: 3,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.24 : 4,387.80 = 2,145.02 : x
  2. Step 2: Convert to fraction form
    2,924.24/4,387.80 = 2,145.02/x
  3. Step 3: Cross multiply
    2,924.24x = 4,387.80 × 2,145.02
  4. Step 4: Simplify right side
    2,924.24x = 9,411,918.76
  5. Step 5: Solve for x
    x = 9,411,918.76/2,924.24
  6. Step 6: Final answer
    x = 3,218.59

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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.