Home / 3,621.24-5,430.99-1,671.57

Finding the Fourth Proportional to 3,621.24, 5,430.99 and 1,671.57

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Solution

The fourth proportional to 3,621.24, 5,430.99 and 1,671.57 is: 2,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.24 : 5,430.99 = 1,671.57 : x
  2. Step 2: Convert to fraction form
    3,621.24/5,430.99 = 1,671.57/x
  3. Step 3: Cross multiply
    3,621.24x = 5,430.99 × 1,671.57
  4. Step 4: Simplify right side
    3,621.24x = 9,078,279.95
  5. Step 5: Solve for x
    x = 9,078,279.95/3,621.24
  6. Step 6: Final answer
    x = 2,506.95

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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.