Home / 3,455.10-5,179.98-1,699.56

Finding the Fourth Proportional to 3,455.10, 5,179.98 and 1,699.56

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Solution

The fourth proportional to 3,455.10, 5,179.98 and 1,699.56 is: 2,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.10 : 5,179.98 = 1,699.56 : x
  2. Step 2: Convert to fraction form
    3,455.10/5,179.98 = 1,699.56/x
  3. Step 3: Cross multiply
    3,455.10x = 5,179.98 × 1,699.56
  4. Step 4: Simplify right side
    3,455.10x = 8,803,686.81
  5. Step 5: Solve for x
    x = 8,803,686.81/3,455.10
  6. Step 6: Final answer
    x = 2,548.03

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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.