Home / 3,320.57-4,583.11-1,904.49

Finding the Fourth Proportional to 3,320.57, 4,583.11 and 1,904.49

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Solution

The fourth proportional to 3,320.57, 4,583.11 and 1,904.49 is: 2,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.57 : 4,583.11 = 1,904.49 : x
  2. Step 2: Convert to fraction form
    3,320.57/4,583.11 = 1,904.49/x
  3. Step 3: Cross multiply
    3,320.57x = 4,583.11 × 1,904.49
  4. Step 4: Simplify right side
    3,320.57x = 8,728,482.40
  5. Step 5: Solve for x
    x = 8,728,482.40/3,320.57
  6. Step 6: Final answer
    x = 2,628.61

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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.