Home / 1,857.07-2,562.75-1,017.78

Finding the Fourth Proportional to 1,857.07, 2,562.75 and 1,017.78

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Solution

The fourth proportional to 1,857.07, 2,562.75 and 1,017.78 is: 1,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.07 : 2,562.75 = 1,017.78 : x
  2. Step 2: Convert to fraction form
    1,857.07/2,562.75 = 1,017.78/x
  3. Step 3: Cross multiply
    1,857.07x = 2,562.75 × 1,017.78
  4. Step 4: Simplify right side
    1,857.07x = 2,608,315.70
  5. Step 5: Solve for x
    x = 2,608,315.70/1,857.07
  6. Step 6: Final answer
    x = 1,404.53

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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.