Home / 3,618.73-5,427.60-1,153.45

Finding the Fourth Proportional to 3,618.73, 5,427.60 and 1,153.45

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Solution

The fourth proportional to 3,618.73, 5,427.60 and 1,153.45 is: 1,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.73 : 5,427.60 = 1,153.45 : x
  2. Step 2: Convert to fraction form
    3,618.73/5,427.60 = 1,153.45/x
  3. Step 3: Cross multiply
    3,618.73x = 5,427.60 × 1,153.45
  4. Step 4: Simplify right side
    3,618.73x = 6,260,465.22
  5. Step 5: Solve for x
    x = 6,260,465.22/3,618.73
  6. Step 6: Final answer
    x = 1,730.02

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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.