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Finding the Fourth Proportional to 1,739.02, 2,607.90 and 584.50

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Solution

The fourth proportional to 1,739.02, 2,607.90 and 584.50 is: 876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.02 : 2,607.90 = 584.50 : x
  2. Step 2: Convert to fraction form
    1,739.02/2,607.90 = 584.50/x
  3. Step 3: Cross multiply
    1,739.02x = 2,607.90 × 584.50
  4. Step 4: Simplify right side
    1,739.02x = 1,524,317.55
  5. Step 5: Solve for x
    x = 1,524,317.55/1,739.02
  6. Step 6: Final answer
    x = 876.54

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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.