Home / 3,458.50-4,777.23-2,797.84

Finding the Fourth Proportional to 3,458.50, 4,777.23 and 2,797.84

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Solution

The fourth proportional to 3,458.50, 4,777.23 and 2,797.84 is: 3,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.50 : 4,777.23 = 2,797.84 : x
  2. Step 2: Convert to fraction form
    3,458.50/4,777.23 = 2,797.84/x
  3. Step 3: Cross multiply
    3,458.50x = 4,777.23 × 2,797.84
  4. Step 4: Simplify right side
    3,458.50x = 13,365,925.91
  5. Step 5: Solve for x
    x = 13,365,925.91/3,458.50
  6. Step 6: Final answer
    x = 3,864.66

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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.