Home / 4,043.12-5,577.64-2,922.28

Finding the Fourth Proportional to 4,043.12, 5,577.64 and 2,922.28

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Solution

The fourth proportional to 4,043.12, 5,577.64 and 2,922.28 is: 4,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.12 : 5,577.64 = 2,922.28 : x
  2. Step 2: Convert to fraction form
    4,043.12/5,577.64 = 2,922.28/x
  3. Step 3: Cross multiply
    4,043.12x = 5,577.64 × 2,922.28
  4. Step 4: Simplify right side
    4,043.12x = 16,299,404.57
  5. Step 5: Solve for x
    x = 16,299,404.57/4,043.12
  6. Step 6: Final answer
    x = 4,031.40

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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.