Home / 3,500.28-5,246.78-1,419.46

Finding the Fourth Proportional to 3,500.28, 5,246.78 and 1,419.46

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Solution

The fourth proportional to 3,500.28, 5,246.78 and 1,419.46 is: 2,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.28 : 5,246.78 = 1,419.46 : x
  2. Step 2: Convert to fraction form
    3,500.28/5,246.78 = 1,419.46/x
  3. Step 3: Cross multiply
    3,500.28x = 5,246.78 × 1,419.46
  4. Step 4: Simplify right side
    3,500.28x = 7,447,574.12
  5. Step 5: Solve for x
    x = 7,447,574.12/3,500.28
  6. Step 6: Final answer
    x = 2,127.71

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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.