Home / 3,012.47-4,155.06-1,833.62

Finding the Fourth Proportional to 3,012.47, 4,155.06 and 1,833.62

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Solution

The fourth proportional to 3,012.47, 4,155.06 and 1,833.62 is: 2,529.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.47 : 4,155.06 = 1,833.62 : x
  2. Step 2: Convert to fraction form
    3,012.47/4,155.06 = 1,833.62/x
  3. Step 3: Cross multiply
    3,012.47x = 4,155.06 × 1,833.62
  4. Step 4: Simplify right side
    3,012.47x = 7,618,795.01
  5. Step 5: Solve for x
    x = 7,618,795.01/3,012.47
  6. Step 6: Final answer
    x = 2,529.09

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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.