Home / 3,235.60-4,466.84-2,178.92

Finding the Fourth Proportional to 3,235.60, 4,466.84 and 2,178.92

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Solution

The fourth proportional to 3,235.60, 4,466.84 and 2,178.92 is: 3,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.60 : 4,466.84 = 2,178.92 : x
  2. Step 2: Convert to fraction form
    3,235.60/4,466.84 = 2,178.92/x
  3. Step 3: Cross multiply
    3,235.60x = 4,466.84 × 2,178.92
  4. Step 4: Simplify right side
    3,235.60x = 9,732,887.01
  5. Step 5: Solve for x
    x = 9,732,887.01/3,235.60
  6. Step 6: Final answer
    x = 3,008.06

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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.