Home / 3,584.50-5,374.85-1,118.66

Finding the Fourth Proportional to 3,584.50, 5,374.85 and 1,118.66

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Solution

The fourth proportional to 3,584.50, 5,374.85 and 1,118.66 is: 1,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.50 : 5,374.85 = 1,118.66 : x
  2. Step 2: Convert to fraction form
    3,584.50/5,374.85 = 1,118.66/x
  3. Step 3: Cross multiply
    3,584.50x = 5,374.85 × 1,118.66
  4. Step 4: Simplify right side
    3,584.50x = 6,012,597.23
  5. Step 5: Solve for x
    x = 6,012,597.23/3,584.50
  6. Step 6: Final answer
    x = 1,677.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.