Home / 1,704.23-2,553.61-1,430.85

Finding the Fourth Proportional to 1,704.23, 2,553.61 and 1,430.85

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Solution

The fourth proportional to 1,704.23, 2,553.61 and 1,430.85 is: 2,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.23 : 2,553.61 = 1,430.85 : x
  2. Step 2: Convert to fraction form
    1,704.23/2,553.61 = 1,430.85/x
  3. Step 3: Cross multiply
    1,704.23x = 2,553.61 × 1,430.85
  4. Step 4: Simplify right side
    1,704.23x = 3,653,834.94
  5. Step 5: Solve for x
    x = 3,653,834.94/1,704.23
  6. Step 6: Final answer
    x = 2,143.98

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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.