Home / 3,989.69-5,984.93-1,526.58

Finding the Fourth Proportional to 3,989.69, 5,984.93 and 1,526.58

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Solution

The fourth proportional to 3,989.69, 5,984.93 and 1,526.58 is: 2,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.69 : 5,984.93 = 1,526.58 : x
  2. Step 2: Convert to fraction form
    3,989.69/5,984.93 = 1,526.58/x
  3. Step 3: Cross multiply
    3,989.69x = 5,984.93 × 1,526.58
  4. Step 4: Simplify right side
    3,989.69x = 9,136,466.81
  5. Step 5: Solve for x
    x = 9,136,466.81/3,989.69
  6. Step 6: Final answer
    x = 2,290.02

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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.