Home / 1,605.30-2,214.15-1,046.25

Finding the Fourth Proportional to 1,605.30, 2,214.15 and 1,046.25

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Solution

The fourth proportional to 1,605.30, 2,214.15 and 1,046.25 is: 1,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.30 : 2,214.15 = 1,046.25 : x
  2. Step 2: Convert to fraction form
    1,605.30/2,214.15 = 1,046.25/x
  3. Step 3: Cross multiply
    1,605.30x = 2,214.15 × 1,046.25
  4. Step 4: Simplify right side
    1,605.30x = 2,316,554.44
  5. Step 5: Solve for x
    x = 2,316,554.44/1,605.30
  6. Step 6: Final answer
    x = 1,443.07

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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.