Home / 3,240.77-4,472.81-1,825.09

Finding the Fourth Proportional to 3,240.77, 4,472.81 and 1,825.09

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Solution

The fourth proportional to 3,240.77, 4,472.81 and 1,825.09 is: 2,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.77 : 4,472.81 = 1,825.09 : x
  2. Step 2: Convert to fraction form
    3,240.77/4,472.81 = 1,825.09/x
  3. Step 3: Cross multiply
    3,240.77x = 4,472.81 × 1,825.09
  4. Step 4: Simplify right side
    3,240.77x = 8,163,280.80
  5. Step 5: Solve for x
    x = 8,163,280.80/3,240.77
  6. Step 6: Final answer
    x = 2,518.93

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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.