Home / 3,204.77-4,807.55-1,125.34

Finding the Fourth Proportional to 3,204.77, 4,807.55 and 1,125.34

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Solution

The fourth proportional to 3,204.77, 4,807.55 and 1,125.34 is: 1,688.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.77 : 4,807.55 = 1,125.34 : x
  2. Step 2: Convert to fraction form
    3,204.77/4,807.55 = 1,125.34/x
  3. Step 3: Cross multiply
    3,204.77x = 4,807.55 × 1,125.34
  4. Step 4: Simplify right side
    3,204.77x = 5,410,146.15
  5. Step 5: Solve for x
    x = 5,410,146.15/3,204.77
  6. Step 6: Final answer
    x = 1,688.16

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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.