Home / 1,829.10-2,739.60-1,505.10

Finding the Fourth Proportional to 1,829.10, 2,739.60 and 1,505.10

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Solution

The fourth proportional to 1,829.10, 2,739.60 and 1,505.10 is: 2,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.10 : 2,739.60 = 1,505.10 : x
  2. Step 2: Convert to fraction form
    1,829.10/2,739.60 = 1,505.10/x
  3. Step 3: Cross multiply
    1,829.10x = 2,739.60 × 1,505.10
  4. Step 4: Simplify right side
    1,829.10x = 4,123,371.96
  5. Step 5: Solve for x
    x = 4,123,371.96/1,829.10
  6. Step 6: Final answer
    x = 2,254.32

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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.