Home / 3,645.29-5,030.34-2,228.48

Finding the Fourth Proportional to 3,645.29, 5,030.34 and 2,228.48

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Solution

The fourth proportional to 3,645.29, 5,030.34 and 2,228.48 is: 3,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.29 : 5,030.34 = 2,228.48 : x
  2. Step 2: Convert to fraction form
    3,645.29/5,030.34 = 2,228.48/x
  3. Step 3: Cross multiply
    3,645.29x = 5,030.34 × 2,228.48
  4. Step 4: Simplify right side
    3,645.29x = 11,209,986.93
  5. Step 5: Solve for x
    x = 11,209,986.93/3,645.29
  6. Step 6: Final answer
    x = 3,075.20

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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.