Home / 3,461.77-5,189.70-1,270.12

Finding the Fourth Proportional to 3,461.77, 5,189.70 and 1,270.12

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Solution

The fourth proportional to 3,461.77, 5,189.70 and 1,270.12 is: 1,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.77 : 5,189.70 = 1,270.12 : x
  2. Step 2: Convert to fraction form
    3,461.77/5,189.70 = 1,270.12/x
  3. Step 3: Cross multiply
    3,461.77x = 5,189.70 × 1,270.12
  4. Step 4: Simplify right side
    3,461.77x = 6,591,541.76
  5. Step 5: Solve for x
    x = 6,591,541.76/3,461.77
  6. Step 6: Final answer
    x = 1,904.10

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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.