Home / 3,257.49-4,495.55-3,139.85

Finding the Fourth Proportional to 3,257.49, 4,495.55 and 3,139.85

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Solution

The fourth proportional to 3,257.49, 4,495.55 and 3,139.85 is: 4,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.49 : 4,495.55 = 3,139.85 : x
  2. Step 2: Convert to fraction form
    3,257.49/4,495.55 = 3,139.85/x
  3. Step 3: Cross multiply
    3,257.49x = 4,495.55 × 3,139.85
  4. Step 4: Simplify right side
    3,257.49x = 14,115,352.67
  5. Step 5: Solve for x
    x = 14,115,352.67/3,257.49
  6. Step 6: Final answer
    x = 4,333.20

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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.