Home / 2,040.20-3,055.38-1,050.42

Finding the Fourth Proportional to 2,040.20, 3,055.38 and 1,050.42

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Solution

The fourth proportional to 2,040.20, 3,055.38 and 1,050.42 is: 1,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.20 : 3,055.38 = 1,050.42 : x
  2. Step 2: Convert to fraction form
    2,040.20/3,055.38 = 1,050.42/x
  3. Step 3: Cross multiply
    2,040.20x = 3,055.38 × 1,050.42
  4. Step 4: Simplify right side
    2,040.20x = 3,209,432.26
  5. Step 5: Solve for x
    x = 3,209,432.26/2,040.20
  6. Step 6: Final answer
    x = 1,573.10

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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.