Home / 3,552.55-4,902.52-1,980.61

Finding the Fourth Proportional to 3,552.55, 4,902.52 and 1,980.61

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Solution

The fourth proportional to 3,552.55, 4,902.52 and 1,980.61 is: 2,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.55 : 4,902.52 = 1,980.61 : x
  2. Step 2: Convert to fraction form
    3,552.55/4,902.52 = 1,980.61/x
  3. Step 3: Cross multiply
    3,552.55x = 4,902.52 × 1,980.61
  4. Step 4: Simplify right side
    3,552.55x = 9,709,950.67
  5. Step 5: Solve for x
    x = 9,709,950.67/3,552.55
  6. Step 6: Final answer
    x = 2,733.24

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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.