Home / 2,545.14-3,515.76-1,992.60

Finding the Fourth Proportional to 2,545.14, 3,515.76 and 1,992.60

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Solution

The fourth proportional to 2,545.14, 3,515.76 and 1,992.60 is: 2,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.14 : 3,515.76 = 1,992.60 : x
  2. Step 2: Convert to fraction form
    2,545.14/3,515.76 = 1,992.60/x
  3. Step 3: Cross multiply
    2,545.14x = 3,515.76 × 1,992.60
  4. Step 4: Simplify right side
    2,545.14x = 7,005,503.38
  5. Step 5: Solve for x
    x = 7,005,503.38/2,545.14
  6. Step 6: Final answer
    x = 2,752.50

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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.