Home / 4,390.62-6,588.53-1,619.23

Finding the Fourth Proportional to 4,390.62, 6,588.53 and 1,619.23

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Solution

The fourth proportional to 4,390.62, 6,588.53 and 1,619.23 is: 2,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.62 : 6,588.53 = 1,619.23 : x
  2. Step 2: Convert to fraction form
    4,390.62/6,588.53 = 1,619.23/x
  3. Step 3: Cross multiply
    4,390.62x = 6,588.53 × 1,619.23
  4. Step 4: Simplify right side
    4,390.62x = 10,668,337.34
  5. Step 5: Solve for x
    x = 10,668,337.34/4,390.62
  6. Step 6: Final answer
    x = 2,429.80

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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.