Home / 3,457.42-4,771.22-1,885.50

Finding the Fourth Proportional to 3,457.42, 4,771.22 and 1,885.50

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Solution

The fourth proportional to 3,457.42, 4,771.22 and 1,885.50 is: 2,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.42 : 4,771.22 = 1,885.50 : x
  2. Step 2: Convert to fraction form
    3,457.42/4,771.22 = 1,885.50/x
  3. Step 3: Cross multiply
    3,457.42x = 4,771.22 × 1,885.50
  4. Step 4: Simplify right side
    3,457.42x = 8,996,125.88
  5. Step 5: Solve for x
    x = 8,996,125.88/3,457.42
  6. Step 6: Final answer
    x = 2,601.98

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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.