Home / 3,040.20-4,562.35-1,092.40

Finding the Fourth Proportional to 3,040.20, 4,562.35 and 1,092.40

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Solution

The fourth proportional to 3,040.20, 4,562.35 and 1,092.40 is: 1,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.20 : 4,562.35 = 1,092.40 : x
  2. Step 2: Convert to fraction form
    3,040.20/4,562.35 = 1,092.40/x
  3. Step 3: Cross multiply
    3,040.20x = 4,562.35 × 1,092.40
  4. Step 4: Simplify right side
    3,040.20x = 4,983,911.14
  5. Step 5: Solve for x
    x = 4,983,911.14/3,040.20
  6. Step 6: Final answer
    x = 1,639.34

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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.