Home / 2,415.06-3,614.38-1,869.68

Finding the Fourth Proportional to 2,415.06, 3,614.38 and 1,869.68

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Solution

The fourth proportional to 2,415.06, 3,614.38 and 1,869.68 is: 2,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.06 : 3,614.38 = 1,869.68 : x
  2. Step 2: Convert to fraction form
    2,415.06/3,614.38 = 1,869.68/x
  3. Step 3: Cross multiply
    2,415.06x = 3,614.38 × 1,869.68
  4. Step 4: Simplify right side
    2,415.06x = 6,757,738.36
  5. Step 5: Solve for x
    x = 6,757,738.36/2,415.06
  6. Step 6: Final answer
    x = 2,798.17

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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.