Home / 3,457.28-4,771.10-1,885.34

Finding the Fourth Proportional to 3,457.28, 4,771.10 and 1,885.34

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Solution

The fourth proportional to 3,457.28, 4,771.10 and 1,885.34 is: 2,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.28 : 4,771.10 = 1,885.34 : x
  2. Step 2: Convert to fraction form
    3,457.28/4,771.10 = 1,885.34/x
  3. Step 3: Cross multiply
    3,457.28x = 4,771.10 × 1,885.34
  4. Step 4: Simplify right side
    3,457.28x = 8,995,162.32
  5. Step 5: Solve for x
    x = 8,995,162.32/3,457.28
  6. Step 6: Final answer
    x = 2,601.80

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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.