Home / 3,580.17-4,940.76-2,087.85

Finding the Fourth Proportional to 3,580.17, 4,940.76 and 2,087.85

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Solution

The fourth proportional to 3,580.17, 4,940.76 and 2,087.85 is: 2,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.17 : 4,940.76 = 2,087.85 : x
  2. Step 2: Convert to fraction form
    3,580.17/4,940.76 = 2,087.85/x
  3. Step 3: Cross multiply
    3,580.17x = 4,940.76 × 2,087.85
  4. Step 4: Simplify right side
    3,580.17x = 10,315,565.77
  5. Step 5: Solve for x
    x = 10,315,565.77/3,580.17
  6. Step 6: Final answer
    x = 2,881.31

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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.