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Finding the Fourth Proportional to 2,045.94, 3,069 and 585.30

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Solution

The fourth proportional to 2,045.94, 3,069 and 585.30 is: 877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.94 : 3,069 = 585.30 : x
  2. Step 2: Convert to fraction form
    2,045.94/3,069 = 585.30/x
  3. Step 3: Cross multiply
    2,045.94x = 3,069 × 585.30
  4. Step 4: Simplify right side
    2,045.94x = 1,796,285.70
  5. Step 5: Solve for x
    x = 1,796,285.70/2,045.94
  6. Step 6: Final answer
    x = 877.98

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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.