Home / 3,484.52-4,808.58-1,912.76

Finding the Fourth Proportional to 3,484.52, 4,808.58 and 1,912.76

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Solution

The fourth proportional to 3,484.52, 4,808.58 and 1,912.76 is: 2,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.52 : 4,808.58 = 1,912.76 : x
  2. Step 2: Convert to fraction form
    3,484.52/4,808.58 = 1,912.76/x
  3. Step 3: Cross multiply
    3,484.52x = 4,808.58 × 1,912.76
  4. Step 4: Simplify right side
    3,484.52x = 9,197,659.48
  5. Step 5: Solve for x
    x = 9,197,659.48/3,484.52
  6. Step 6: Final answer
    x = 2,639.58

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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.