Home / 1,803.11-2,488.38-1,017.14

Finding the Fourth Proportional to 1,803.11, 2,488.38 and 1,017.14

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Solution

The fourth proportional to 1,803.11, 2,488.38 and 1,017.14 is: 1,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.11 : 2,488.38 = 1,017.14 : x
  2. Step 2: Convert to fraction form
    1,803.11/2,488.38 = 1,017.14/x
  3. Step 3: Cross multiply
    1,803.11x = 2,488.38 × 1,017.14
  4. Step 4: Simplify right side
    1,803.11x = 2,531,034.30
  5. Step 5: Solve for x
    x = 2,531,034.30/1,803.11
  6. Step 6: Final answer
    x = 1,403.70

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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.