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Finding the Fourth Proportional to 1,625.88, 2,439.26 and 586.00

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Solution

The fourth proportional to 1,625.88, 2,439.26 and 586.00 is: 879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.88 : 2,439.26 = 586.00 : x
  2. Step 2: Convert to fraction form
    1,625.88/2,439.26 = 586.00/x
  3. Step 3: Cross multiply
    1,625.88x = 2,439.26 × 586.00
  4. Step 4: Simplify right side
    1,625.88x = 1,429,401.73
  5. Step 5: Solve for x
    x = 1,429,401.73/1,625.88
  6. Step 6: Final answer
    x = 879.16

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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.