Home / 3,610.12-5,415.56-1,762.24

Finding the Fourth Proportional to 3,610.12, 5,415.56 and 1,762.24

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Solution

The fourth proportional to 3,610.12, 5,415.56 and 1,762.24 is: 2,643.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.12 : 5,415.56 = 1,762.24 : x
  2. Step 2: Convert to fraction form
    3,610.12/5,415.56 = 1,762.24/x
  3. Step 3: Cross multiply
    3,610.12x = 5,415.56 × 1,762.24
  4. Step 4: Simplify right side
    3,610.12x = 9,543,516.45
  5. Step 5: Solve for x
    x = 9,543,516.45/3,610.12
  6. Step 6: Final answer
    x = 2,643.55

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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.