Home / 3,190.65-4,402.94-1,793.40

Finding the Fourth Proportional to 3,190.65, 4,402.94 and 1,793.40

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Solution

The fourth proportional to 3,190.65, 4,402.94 and 1,793.40 is: 2,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.65 : 4,402.94 = 1,793.40 : x
  2. Step 2: Convert to fraction form
    3,190.65/4,402.94 = 1,793.40/x
  3. Step 3: Cross multiply
    3,190.65x = 4,402.94 × 1,793.40
  4. Step 4: Simplify right side
    3,190.65x = 7,896,223.63
  5. Step 5: Solve for x
    x = 7,896,223.63/3,190.65
  6. Step 6: Final answer
    x = 2,474.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.