Home / 3,518.93-5,280.73-1,876.66

Finding the Fourth Proportional to 3,518.93, 5,280.73 and 1,876.66

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Solution

The fourth proportional to 3,518.93, 5,280.73 and 1,876.66 is: 2,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.93 : 5,280.73 = 1,876.66 : x
  2. Step 2: Convert to fraction form
    3,518.93/5,280.73 = 1,876.66/x
  3. Step 3: Cross multiply
    3,518.93x = 5,280.73 × 1,876.66
  4. Step 4: Simplify right side
    3,518.93x = 9,910,125.38
  5. Step 5: Solve for x
    x = 9,910,125.38/3,518.93
  6. Step 6: Final answer
    x = 2,816.23

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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.