Home / 2,480.60-3,422.94-1,485.74

Finding the Fourth Proportional to 2,480.60, 3,422.94 and 1,485.74

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Solution

The fourth proportional to 2,480.60, 3,422.94 and 1,485.74 is: 2,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.60 : 3,422.94 = 1,485.74 : x
  2. Step 2: Convert to fraction form
    2,480.60/3,422.94 = 1,485.74/x
  3. Step 3: Cross multiply
    2,480.60x = 3,422.94 × 1,485.74
  4. Step 4: Simplify right side
    2,480.60x = 5,085,598.88
  5. Step 5: Solve for x
    x = 5,085,598.88/2,480.60
  6. Step 6: Final answer
    x = 2,050.15

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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.