Home / 3,552.64-4,902.49-1,980.70

Finding the Fourth Proportional to 3,552.64, 4,902.49 and 1,980.70

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Solution

The fourth proportional to 3,552.64, 4,902.49 and 1,980.70 is: 2,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.64 : 4,902.49 = 1,980.70 : x
  2. Step 2: Convert to fraction form
    3,552.64/4,902.49 = 1,980.70/x
  3. Step 3: Cross multiply
    3,552.64x = 4,902.49 × 1,980.70
  4. Step 4: Simplify right side
    3,552.64x = 9,710,361.94
  5. Step 5: Solve for x
    x = 9,710,361.94/3,552.64
  6. Step 6: Final answer
    x = 2,733.28

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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.