Home / 3,623.43-5,430.95-1,671.57

Finding the Fourth Proportional to 3,623.43, 5,430.95 and 1,671.57

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Solution

The fourth proportional to 3,623.43, 5,430.95 and 1,671.57 is: 2,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.43 : 5,430.95 = 1,671.57 : x
  2. Step 2: Convert to fraction form
    3,623.43/5,430.95 = 1,671.57/x
  3. Step 3: Cross multiply
    3,623.43x = 5,430.95 × 1,671.57
  4. Step 4: Simplify right side
    3,623.43x = 9,078,204.73
  5. Step 5: Solve for x
    x = 9,078,204.73/3,623.43
  6. Step 6: Final answer
    x = 2,505.42

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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.