Home / 2,212.53-3,053.45-1,465.21

Finding the Fourth Proportional to 2,212.53, 3,053.45 and 1,465.21

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Solution

The fourth proportional to 2,212.53, 3,053.45 and 1,465.21 is: 2,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.53 : 3,053.45 = 1,465.21 : x
  2. Step 2: Convert to fraction form
    2,212.53/3,053.45 = 1,465.21/x
  3. Step 3: Cross multiply
    2,212.53x = 3,053.45 × 1,465.21
  4. Step 4: Simplify right side
    2,212.53x = 4,473,945.47
  5. Step 5: Solve for x
    x = 4,473,945.47/2,212.53
  6. Step 6: Final answer
    x = 2,022.09

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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.