Home / 2,575.11-3,545.52-2,271.93

Finding the Fourth Proportional to 2,575.11, 3,545.52 and 2,271.93

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Solution

The fourth proportional to 2,575.11, 3,545.52 and 2,271.93 is: 3,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.11 : 3,545.52 = 2,271.93 : x
  2. Step 2: Convert to fraction form
    2,575.11/3,545.52 = 2,271.93/x
  3. Step 3: Cross multiply
    2,575.11x = 3,545.52 × 2,271.93
  4. Step 4: Simplify right side
    2,575.11x = 8,055,173.25
  5. Step 5: Solve for x
    x = 8,055,173.25/2,575.11
  6. Step 6: Final answer
    x = 3,128.09

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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.