Home / 3,472.22-5,206.93-1,280.46

Finding the Fourth Proportional to 3,472.22, 5,206.93 and 1,280.46

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Solution

The fourth proportional to 3,472.22, 5,206.93 and 1,280.46 is: 1,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.22 : 5,206.93 = 1,280.46 : x
  2. Step 2: Convert to fraction form
    3,472.22/5,206.93 = 1,280.46/x
  3. Step 3: Cross multiply
    3,472.22x = 5,206.93 × 1,280.46
  4. Step 4: Simplify right side
    3,472.22x = 6,667,265.59
  5. Step 5: Solve for x
    x = 6,667,265.59/3,472.22
  6. Step 6: Final answer
    x = 1,920.17

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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.