Home / 3,336.79-4,604.95-1,920.69

Finding the Fourth Proportional to 3,336.79, 4,604.95 and 1,920.69

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Solution

The fourth proportional to 3,336.79, 4,604.95 and 1,920.69 is: 2,650.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.79 : 4,604.95 = 1,920.69 : x
  2. Step 2: Convert to fraction form
    3,336.79/4,604.95 = 1,920.69/x
  3. Step 3: Cross multiply
    3,336.79x = 4,604.95 × 1,920.69
  4. Step 4: Simplify right side
    3,336.79x = 8,844,681.42
  5. Step 5: Solve for x
    x = 8,844,681.42/3,336.79
  6. Step 6: Final answer
    x = 2,650.66

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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.