Home / 2,973.21-4,102.74-1,646.88

Finding the Fourth Proportional to 2,973.21, 4,102.74 and 1,646.88

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Solution

The fourth proportional to 2,973.21, 4,102.74 and 1,646.88 is: 2,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.21 : 4,102.74 = 1,646.88 : x
  2. Step 2: Convert to fraction form
    2,973.21/4,102.74 = 1,646.88/x
  3. Step 3: Cross multiply
    2,973.21x = 4,102.74 × 1,646.88
  4. Step 4: Simplify right side
    2,973.21x = 6,756,720.45
  5. Step 5: Solve for x
    x = 6,756,720.45/2,973.21
  6. Step 6: Final answer
    x = 2,272.53

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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.