Home / 3,535.71-4,875.90-2,119.17

Finding the Fourth Proportional to 3,535.71, 4,875.90 and 2,119.17

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Solution

The fourth proportional to 3,535.71, 4,875.90 and 2,119.17 is: 2,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.71 : 4,875.90 = 2,119.17 : x
  2. Step 2: Convert to fraction form
    3,535.71/4,875.90 = 2,119.17/x
  3. Step 3: Cross multiply
    3,535.71x = 4,875.90 × 2,119.17
  4. Step 4: Simplify right side
    3,535.71x = 10,332,861.00
  5. Step 5: Solve for x
    x = 10,332,861.00/3,535.71
  6. Step 6: Final answer
    x = 2,922.43

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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.