Home / 3,453.95-5,177.81-1,261.14

Finding the Fourth Proportional to 3,453.95, 5,177.81 and 1,261.14

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Solution

The fourth proportional to 3,453.95, 5,177.81 and 1,261.14 is: 1,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.95 : 5,177.81 = 1,261.14 : x
  2. Step 2: Convert to fraction form
    3,453.95/5,177.81 = 1,261.14/x
  3. Step 3: Cross multiply
    3,453.95x = 5,177.81 × 1,261.14
  4. Step 4: Simplify right side
    3,453.95x = 6,529,946.46
  5. Step 5: Solve for x
    x = 6,529,946.46/3,453.95
  6. Step 6: Final answer
    x = 1,890.58

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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.