Home / 3,457.90-5,183.70-1,266.10

Finding the Fourth Proportional to 3,457.90, 5,183.70 and 1,266.10

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Solution

The fourth proportional to 3,457.90, 5,183.70 and 1,266.10 is: 1,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.90 : 5,183.70 = 1,266.10 : x
  2. Step 2: Convert to fraction form
    3,457.90/5,183.70 = 1,266.10/x
  3. Step 3: Cross multiply
    3,457.90x = 5,183.70 × 1,266.10
  4. Step 4: Simplify right side
    3,457.90x = 6,563,082.57
  5. Step 5: Solve for x
    x = 6,563,082.57/3,457.90
  6. Step 6: Final answer
    x = 1,898.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.