Home / 2,537.12-3,807.60-1,239.68

Finding the Fourth Proportional to 2,537.12, 3,807.60 and 1,239.68

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Solution

The fourth proportional to 2,537.12, 3,807.60 and 1,239.68 is: 1,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.12 : 3,807.60 = 1,239.68 : x
  2. Step 2: Convert to fraction form
    2,537.12/3,807.60 = 1,239.68/x
  3. Step 3: Cross multiply
    2,537.12x = 3,807.60 × 1,239.68
  4. Step 4: Simplify right side
    2,537.12x = 4,720,205.57
  5. Step 5: Solve for x
    x = 4,720,205.57/2,537.12
  6. Step 6: Final answer
    x = 1,860.46

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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.