Home / 3,457.20-4,744.98-3,160.56

Finding the Fourth Proportional to 3,457.20, 4,744.98 and 3,160.56

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Solution

The fourth proportional to 3,457.20, 4,744.98 and 3,160.56 is: 4,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.20 : 4,744.98 = 3,160.56 : x
  2. Step 2: Convert to fraction form
    3,457.20/4,744.98 = 3,160.56/x
  3. Step 3: Cross multiply
    3,457.20x = 4,744.98 × 3,160.56
  4. Step 4: Simplify right side
    3,457.20x = 14,996,793.99
  5. Step 5: Solve for x
    x = 14,996,793.99/3,457.20
  6. Step 6: Final answer
    x = 4,337.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.