Home / 3,453.65-5,177.62-1,260.98

Finding the Fourth Proportional to 3,453.65, 5,177.62 and 1,260.98

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Solution

The fourth proportional to 3,453.65, 5,177.62 and 1,260.98 is: 1,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.65 : 5,177.62 = 1,260.98 : x
  2. Step 2: Convert to fraction form
    3,453.65/5,177.62 = 1,260.98/x
  3. Step 3: Cross multiply
    3,453.65x = 5,177.62 × 1,260.98
  4. Step 4: Simplify right side
    3,453.65x = 6,528,875.27
  5. Step 5: Solve for x
    x = 6,528,875.27/3,453.65
  6. Step 6: Final answer
    x = 1,890.43

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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.