Home / 3,531.86-4,873.74-2,205.49

Finding the Fourth Proportional to 3,531.86, 4,873.74 and 2,205.49

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Solution

The fourth proportional to 3,531.86, 4,873.74 and 2,205.49 is: 3,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.86 : 4,873.74 = 2,205.49 : x
  2. Step 2: Convert to fraction form
    3,531.86/4,873.74 = 2,205.49/x
  3. Step 3: Cross multiply
    3,531.86x = 4,873.74 × 2,205.49
  4. Step 4: Simplify right side
    3,531.86x = 10,748,984.83
  5. Step 5: Solve for x
    x = 10,748,984.83/3,531.86
  6. Step 6: Final answer
    x = 3,043.43

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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.