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Finding the Fourth Proportional to 3,991.58, 5,984.97 and 1,526.58

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Solution

The fourth proportional to 3,991.58, 5,984.97 and 1,526.58 is: 2,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.58 : 5,984.97 = 1,526.58 : x
  2. Step 2: Convert to fraction form
    3,991.58/5,984.97 = 1,526.58/x
  3. Step 3: Cross multiply
    3,991.58x = 5,984.97 × 1,526.58
  4. Step 4: Simplify right side
    3,991.58x = 9,136,535.50
  5. Step 5: Solve for x
    x = 9,136,535.50/3,991.58
  6. Step 6: Final answer
    x = 2,288.95

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1.5x scale

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.