Home / 2,724.21-3,758.58-1,545.08

Finding the Fourth Proportional to 2,724.21, 3,758.58 and 1,545.08

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Solution

The fourth proportional to 2,724.21, 3,758.58 and 1,545.08 is: 2,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.21 : 3,758.58 = 1,545.08 : x
  2. Step 2: Convert to fraction form
    2,724.21/3,758.58 = 1,545.08/x
  3. Step 3: Cross multiply
    2,724.21x = 3,758.58 × 1,545.08
  4. Step 4: Simplify right side
    2,724.21x = 5,807,287.99
  5. Step 5: Solve for x
    x = 5,807,287.99/2,724.21
  6. Step 6: Final answer
    x = 2,131.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.