Home / 3,503.24-4,836.72-2,178.86

Finding the Fourth Proportional to 3,503.24, 4,836.72 and 2,178.86

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Solution

The fourth proportional to 3,503.24, 4,836.72 and 2,178.86 is: 3,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.24 : 4,836.72 = 2,178.86 : x
  2. Step 2: Convert to fraction form
    3,503.24/4,836.72 = 2,178.86/x
  3. Step 3: Cross multiply
    3,503.24x = 4,836.72 × 2,178.86
  4. Step 4: Simplify right side
    3,503.24x = 10,538,535.74
  5. Step 5: Solve for x
    x = 10,538,535.74/3,503.24
  6. Step 6: Final answer
    x = 3,008.23

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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.