Home / 3,504.30-4,835.76-2,178.12

Finding the Fourth Proportional to 3,504.30, 4,835.76 and 2,178.12

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Solution

The fourth proportional to 3,504.30, 4,835.76 and 2,178.12 is: 3,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.30 : 4,835.76 = 2,178.12 : x
  2. Step 2: Convert to fraction form
    3,504.30/4,835.76 = 2,178.12/x
  3. Step 3: Cross multiply
    3,504.30x = 4,835.76 × 2,178.12
  4. Step 4: Simplify right side
    3,504.30x = 10,532,865.57
  5. Step 5: Solve for x
    x = 10,532,865.57/3,504.30
  6. Step 6: Final answer
    x = 3,005.70

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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.