Home / 2,877.39-3,966.57-2,035.50

Finding the Fourth Proportional to 2,877.39, 3,966.57 and 2,035.50

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Solution

The fourth proportional to 2,877.39, 3,966.57 and 2,035.50 is: 2,805.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.39 : 3,966.57 = 2,035.50 : x
  2. Step 2: Convert to fraction form
    2,877.39/3,966.57 = 2,035.50/x
  3. Step 3: Cross multiply
    2,877.39x = 3,966.57 × 2,035.50
  4. Step 4: Simplify right side
    2,877.39x = 8,073,938.36
  5. Step 5: Solve for x
    x = 8,073,938.36/2,877.39
  6. Step 6: Final answer
    x = 2,805.99

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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.