Home / 3,989.10-5,983.65-1,522.65

Finding the Fourth Proportional to 3,989.10, 5,983.65 and 1,522.65

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Solution

The fourth proportional to 3,989.10, 5,983.65 and 1,522.65 is: 2,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.10 : 5,983.65 = 1,522.65 : x
  2. Step 2: Convert to fraction form
    3,989.10/5,983.65 = 1,522.65/x
  3. Step 3: Cross multiply
    3,989.10x = 5,983.65 × 1,522.65
  4. Step 4: Simplify right side
    3,989.10x = 9,111,004.67
  5. Step 5: Solve for x
    x = 9,111,004.67/3,989.10
  6. Step 6: Final answer
    x = 2,283.98

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Similar ratio
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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.