Home / 2,480.45-3,422.93-1,471.70

Finding the Fourth Proportional to 2,480.45, 3,422.93 and 1,471.70

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Solution

The fourth proportional to 2,480.45, 3,422.93 and 1,471.70 is: 2,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.45 : 3,422.93 = 1,471.70 : x
  2. Step 2: Convert to fraction form
    2,480.45/3,422.93 = 1,471.70/x
  3. Step 3: Cross multiply
    2,480.45x = 3,422.93 × 1,471.70
  4. Step 4: Simplify right side
    2,480.45x = 5,037,527.28
  5. Step 5: Solve for x
    x = 5,037,527.28/2,480.45
  6. Step 6: Final answer
    x = 2,030.90

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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.