Home / 3,089.43-4,263.50-1,878.11

Finding the Fourth Proportional to 3,089.43, 4,263.50 and 1,878.11

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Solution

The fourth proportional to 3,089.43, 4,263.50 and 1,878.11 is: 2,591.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.43 : 4,263.50 = 1,878.11 : x
  2. Step 2: Convert to fraction form
    3,089.43/4,263.50 = 1,878.11/x
  3. Step 3: Cross multiply
    3,089.43x = 4,263.50 × 1,878.11
  4. Step 4: Simplify right side
    3,089.43x = 8,007,321.99
  5. Step 5: Solve for x
    x = 8,007,321.99/3,089.43
  6. Step 6: Final answer
    x = 2,591.84

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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.