Home / 3,455.44-5,181.32-1,506.72

Finding the Fourth Proportional to 3,455.44, 5,181.32 and 1,506.72

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Solution

The fourth proportional to 3,455.44, 5,181.32 and 1,506.72 is: 2,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.44 : 5,181.32 = 1,506.72 : x
  2. Step 2: Convert to fraction form
    3,455.44/5,181.32 = 1,506.72/x
  3. Step 3: Cross multiply
    3,455.44x = 5,181.32 × 1,506.72
  4. Step 4: Simplify right side
    3,455.44x = 7,806,798.47
  5. Step 5: Solve for x
    x = 7,806,798.47/3,455.44
  6. Step 6: Final answer
    x = 2,259.28

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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.