Home / 3,230.10-4,457.17-1,903.70

Finding the Fourth Proportional to 3,230.10, 4,457.17 and 1,903.70

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Solution

The fourth proportional to 3,230.10, 4,457.17 and 1,903.70 is: 2,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.10 : 4,457.17 = 1,903.70 : x
  2. Step 2: Convert to fraction form
    3,230.10/4,457.17 = 1,903.70/x
  3. Step 3: Cross multiply
    3,230.10x = 4,457.17 × 1,903.70
  4. Step 4: Simplify right side
    3,230.10x = 8,485,114.53
  5. Step 5: Solve for x
    x = 8,485,114.53/3,230.10
  6. Step 6: Final answer
    x = 2,626.89

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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.