Home / 1,803.25-2,488.48-1,017.29

Finding the Fourth Proportional to 1,803.25, 2,488.48 and 1,017.29

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Solution

The fourth proportional to 1,803.25, 2,488.48 and 1,017.29 is: 1,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.25 : 2,488.48 = 1,017.29 : x
  2. Step 2: Convert to fraction form
    1,803.25/2,488.48 = 1,017.29/x
  3. Step 3: Cross multiply
    1,803.25x = 2,488.48 × 1,017.29
  4. Step 4: Simplify right side
    1,803.25x = 2,531,500.17
  5. Step 5: Solve for x
    x = 2,531,500.17/1,803.25
  6. Step 6: Final answer
    x = 1,403.86

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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.