Home / 2,488.99-3,433.65-1,605.08

Finding the Fourth Proportional to 2,488.99, 3,433.65 and 1,605.08

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Solution

The fourth proportional to 2,488.99, 3,433.65 and 1,605.08 is: 2,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.99 : 3,433.65 = 1,605.08 : x
  2. Step 2: Convert to fraction form
    2,488.99/3,433.65 = 1,605.08/x
  3. Step 3: Cross multiply
    2,488.99x = 3,433.65 × 1,605.08
  4. Step 4: Simplify right side
    2,488.99x = 5,511,275.22
  5. Step 5: Solve for x
    x = 5,511,275.22/2,488.99
  6. Step 6: Final answer
    x = 2,214.26

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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.