Home / 3,328.80-4,595.22-2,150.45

Finding the Fourth Proportional to 3,328.80, 4,595.22 and 2,150.45

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Solution

The fourth proportional to 3,328.80, 4,595.22 and 2,150.45 is: 2,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.80 : 4,595.22 = 2,150.45 : x
  2. Step 2: Convert to fraction form
    3,328.80/4,595.22 = 2,150.45/x
  3. Step 3: Cross multiply
    3,328.80x = 4,595.22 × 2,150.45
  4. Step 4: Simplify right side
    3,328.80x = 9,881,767.87
  5. Step 5: Solve for x
    x = 9,881,767.87/3,328.80
  6. Step 6: Final answer
    x = 2,968.57

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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.