Home / 3,530.05-4,868.85-2,270.23

Finding the Fourth Proportional to 3,530.05, 4,868.85 and 2,270.23

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Solution

The fourth proportional to 3,530.05, 4,868.85 and 2,270.23 is: 3,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.05 : 4,868.85 = 2,270.23 : x
  2. Step 2: Convert to fraction form
    3,530.05/4,868.85 = 2,270.23/x
  3. Step 3: Cross multiply
    3,530.05x = 4,868.85 × 2,270.23
  4. Step 4: Simplify right side
    3,530.05x = 11,053,409.34
  5. Step 5: Solve for x
    x = 11,053,409.34/3,530.05
  6. Step 6: Final answer
    x = 3,131.23

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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.