Home / 3,504.30-4,821.63-2,872.50

Finding the Fourth Proportional to 3,504.30, 4,821.63 and 2,872.50

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Solution

The fourth proportional to 3,504.30, 4,821.63 and 2,872.50 is: 3,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.30 : 4,821.63 = 2,872.50 : x
  2. Step 2: Convert to fraction form
    3,504.30/4,821.63 = 2,872.50/x
  3. Step 3: Cross multiply
    3,504.30x = 4,821.63 × 2,872.50
  4. Step 4: Simplify right side
    3,504.30x = 13,850,132.18
  5. Step 5: Solve for x
    x = 13,850,132.18/3,504.30
  6. Step 6: Final answer
    x = 3,952.32

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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.