Home / 2,578.06-3,555.03-1,529.92

Finding the Fourth Proportional to 2,578.06, 3,555.03 and 1,529.92

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Solution

The fourth proportional to 2,578.06, 3,555.03 and 1,529.92 is: 2,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.06 : 3,555.03 = 1,529.92 : x
  2. Step 2: Convert to fraction form
    2,578.06/3,555.03 = 1,529.92/x
  3. Step 3: Cross multiply
    2,578.06x = 3,555.03 × 1,529.92
  4. Step 4: Simplify right side
    2,578.06x = 5,438,908.97
  5. Step 5: Solve for x
    x = 5,438,908.97/2,578.06
  6. Step 6: Final answer
    x = 2,109.69

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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.