Home / 2,322.85-3,203.12-1,615.49

Finding the Fourth Proportional to 2,322.85, 3,203.12 and 1,615.49

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Solution

The fourth proportional to 2,322.85, 3,203.12 and 1,615.49 is: 2,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.85 : 3,203.12 = 1,615.49 : x
  2. Step 2: Convert to fraction form
    2,322.85/3,203.12 = 1,615.49/x
  3. Step 3: Cross multiply
    2,322.85x = 3,203.12 × 1,615.49
  4. Step 4: Simplify right side
    2,322.85x = 5,174,621.84
  5. Step 5: Solve for x
    x = 5,174,621.84/2,322.85
  6. Step 6: Final answer
    x = 2,227.70

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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.