Home / 3,720.10-5,573.58-2,256.28

Finding the Fourth Proportional to 3,720.10, 5,573.58 and 2,256.28

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Solution

The fourth proportional to 3,720.10, 5,573.58 and 2,256.28 is: 3,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.10 : 5,573.58 = 2,256.28 : x
  2. Step 2: Convert to fraction form
    3,720.10/5,573.58 = 2,256.28/x
  3. Step 3: Cross multiply
    3,720.10x = 5,573.58 × 2,256.28
  4. Step 4: Simplify right side
    3,720.10x = 12,575,557.08
  5. Step 5: Solve for x
    x = 12,575,557.08/3,720.10
  6. Step 6: Final answer
    x = 3,380.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.