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Finding the Fourth Proportional to 2,045.85, 3,069.30 and 585.03

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Solution

The fourth proportional to 2,045.85, 3,069.30 and 585.03 is: 877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.85 : 3,069.30 = 585.03 : x
  2. Step 2: Convert to fraction form
    2,045.85/3,069.30 = 585.03/x
  3. Step 3: Cross multiply
    2,045.85x = 3,069.30 × 585.03
  4. Step 4: Simplify right side
    2,045.85x = 1,795,632.58
  5. Step 5: Solve for x
    x = 1,795,632.58/2,045.85
  6. Step 6: Final answer
    x = 877.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.