Home / 1,803.03-2,488.14-1,006.35

Finding the Fourth Proportional to 1,803.03, 2,488.14 and 1,006.35

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Solution

The fourth proportional to 1,803.03, 2,488.14 and 1,006.35 is: 1,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.03 : 2,488.14 = 1,006.35 : x
  2. Step 2: Convert to fraction form
    1,803.03/2,488.14 = 1,006.35/x
  3. Step 3: Cross multiply
    1,803.03x = 2,488.14 × 1,006.35
  4. Step 4: Simplify right side
    1,803.03x = 2,503,939.69
  5. Step 5: Solve for x
    x = 2,503,939.69/1,803.03
  6. Step 6: Final answer
    x = 1,388.74

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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.