Home / 2,420.85-3,629.63-1,250.37

Finding the Fourth Proportional to 2,420.85, 3,629.63 and 1,250.37

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Solution

The fourth proportional to 2,420.85, 3,629.63 and 1,250.37 is: 1,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.85 : 3,629.63 = 1,250.37 : x
  2. Step 2: Convert to fraction form
    2,420.85/3,629.63 = 1,250.37/x
  3. Step 3: Cross multiply
    2,420.85x = 3,629.63 × 1,250.37
  4. Step 4: Simplify right side
    2,420.85x = 4,538,374.21
  5. Step 5: Solve for x
    x = 4,538,374.21/2,420.85
  6. Step 6: Final answer
    x = 1,874.70

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1.5x scale

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.