Home / 2,435.90-3,652.02-1,338.75

Finding the Fourth Proportional to 2,435.90, 3,652.02 and 1,338.75

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Solution

The fourth proportional to 2,435.90, 3,652.02 and 1,338.75 is: 2,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.90 : 3,652.02 = 1,338.75 : x
  2. Step 2: Convert to fraction form
    2,435.90/3,652.02 = 1,338.75/x
  3. Step 3: Cross multiply
    2,435.90x = 3,652.02 × 1,338.75
  4. Step 4: Simplify right side
    2,435.90x = 4,889,141.78
  5. Step 5: Solve for x
    x = 4,889,141.78/2,435.90
  6. Step 6: Final answer
    x = 2,007.12

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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.