Home / 3,505.46-5,259.18-1,040.28

Finding the Fourth Proportional to 3,505.46, 5,259.18 and 1,040.28

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Solution

The fourth proportional to 3,505.46, 5,259.18 and 1,040.28 is: 1,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.46 : 5,259.18 = 1,040.28 : x
  2. Step 2: Convert to fraction form
    3,505.46/5,259.18 = 1,040.28/x
  3. Step 3: Cross multiply
    3,505.46x = 5,259.18 × 1,040.28
  4. Step 4: Simplify right side
    3,505.46x = 5,471,019.77
  5. Step 5: Solve for x
    x = 5,471,019.77/3,505.46
  6. Step 6: Final answer
    x = 1,560.71

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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.