Home / 2,798.24-3,857.53-1,852.45

Finding the Fourth Proportional to 2,798.24, 3,857.53 and 1,852.45

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Solution

The fourth proportional to 2,798.24, 3,857.53 and 1,852.45 is: 2,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.24 : 3,857.53 = 1,852.45 : x
  2. Step 2: Convert to fraction form
    2,798.24/3,857.53 = 1,852.45/x
  3. Step 3: Cross multiply
    2,798.24x = 3,857.53 × 1,852.45
  4. Step 4: Simplify right side
    2,798.24x = 7,145,867.17
  5. Step 5: Solve for x
    x = 7,145,867.17/2,798.24
  6. Step 6: Final answer
    x = 2,553.70

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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.