Home / 3,281.45-4,526.46-1,955.61

Finding the Fourth Proportional to 3,281.45, 4,526.46 and 1,955.61

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Solution

The fourth proportional to 3,281.45, 4,526.46 and 1,955.61 is: 2,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.45 : 4,526.46 = 1,955.61 : x
  2. Step 2: Convert to fraction form
    3,281.45/4,526.46 = 1,955.61/x
  3. Step 3: Cross multiply
    3,281.45x = 4,526.46 × 1,955.61
  4. Step 4: Simplify right side
    3,281.45x = 8,851,990.44
  5. Step 5: Solve for x
    x = 8,851,990.44/3,281.45
  6. Step 6: Final answer
    x = 2,697.59

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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.