Home / 3,457.30-4,771.07-1,885.39

Finding the Fourth Proportional to 3,457.30, 4,771.07 and 1,885.39

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Solution

The fourth proportional to 3,457.30, 4,771.07 and 1,885.39 is: 2,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.30 : 4,771.07 = 1,885.39 : x
  2. Step 2: Convert to fraction form
    3,457.30/4,771.07 = 1,885.39/x
  3. Step 3: Cross multiply
    3,457.30x = 4,771.07 × 1,885.39
  4. Step 4: Simplify right side
    3,457.30x = 8,995,327.67
  5. Step 5: Solve for x
    x = 8,995,327.67/3,457.30
  6. Step 6: Final answer
    x = 2,601.84

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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.