Home / 2,124.12-3,182.94-1,903.26

Finding the Fourth Proportional to 2,124.12, 3,182.94 and 1,903.26

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Solution

The fourth proportional to 2,124.12, 3,182.94 and 1,903.26 is: 2,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.12 : 3,182.94 = 1,903.26 : x
  2. Step 2: Convert to fraction form
    2,124.12/3,182.94 = 1,903.26/x
  3. Step 3: Cross multiply
    2,124.12x = 3,182.94 × 1,903.26
  4. Step 4: Simplify right side
    2,124.12x = 6,057,962.38
  5. Step 5: Solve for x
    x = 6,057,962.38/2,124.12
  6. Step 6: Final answer
    x = 2,851.99

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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.