Home / 2,449.68-3,379.20-1,551.77

Finding the Fourth Proportional to 2,449.68, 3,379.20 and 1,551.77

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Solution

The fourth proportional to 2,449.68, 3,379.20 and 1,551.77 is: 2,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.68 : 3,379.20 = 1,551.77 : x
  2. Step 2: Convert to fraction form
    2,449.68/3,379.20 = 1,551.77/x
  3. Step 3: Cross multiply
    2,449.68x = 3,379.20 × 1,551.77
  4. Step 4: Simplify right side
    2,449.68x = 5,243,741.18
  5. Step 5: Solve for x
    x = 5,243,741.18/2,449.68
  6. Step 6: Final answer
    x = 2,140.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.