Home / 2,557.90-3,832.91-1,515.83

Finding the Fourth Proportional to 2,557.90, 3,832.91 and 1,515.83

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Solution

The fourth proportional to 2,557.90, 3,832.91 and 1,515.83 is: 2,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.90 : 3,832.91 = 1,515.83 : x
  2. Step 2: Convert to fraction form
    2,557.90/3,832.91 = 1,515.83/x
  3. Step 3: Cross multiply
    2,557.90x = 3,832.91 × 1,515.83
  4. Step 4: Simplify right side
    2,557.90x = 5,810,039.97
  5. Step 5: Solve for x
    x = 5,810,039.97/2,557.90
  6. Step 6: Final answer
    x = 2,271.41

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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.