Home / 3,455.28-5,175.84-2,341.20

Finding the Fourth Proportional to 3,455.28, 5,175.84 and 2,341.20

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Solution

The fourth proportional to 3,455.28, 5,175.84 and 2,341.20 is: 3,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.28 : 5,175.84 = 2,341.20 : x
  2. Step 2: Convert to fraction form
    3,455.28/5,175.84 = 2,341.20/x
  3. Step 3: Cross multiply
    3,455.28x = 5,175.84 × 2,341.20
  4. Step 4: Simplify right side
    3,455.28x = 12,117,676.61
  5. Step 5: Solve for x
    x = 12,117,676.61/3,455.28
  6. Step 6: Final answer
    x = 3,507.00

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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.