Home / 2,449.42-3,378.86-1,551.52

Finding the Fourth Proportional to 2,449.42, 3,378.86 and 1,551.52

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Solution

The fourth proportional to 2,449.42, 3,378.86 and 1,551.52 is: 2,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.42 : 3,378.86 = 1,551.52 : x
  2. Step 2: Convert to fraction form
    2,449.42/3,378.86 = 1,551.52/x
  3. Step 3: Cross multiply
    2,449.42x = 3,378.86 × 1,551.52
  4. Step 4: Simplify right side
    2,449.42x = 5,242,368.87
  5. Step 5: Solve for x
    x = 5,242,368.87/2,449.42
  6. Step 6: Final answer
    x = 2,140.25

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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.