Home / 2,043.20-3,045.28-2,040

Finding the Fourth Proportional to 2,043.20, 3,045.28 and 2,040

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Solution

The fourth proportional to 2,043.20, 3,045.28 and 2,040 is: 3,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.20 : 3,045.28 = 2,040 : x
  2. Step 2: Convert to fraction form
    2,043.20/3,045.28 = 2,040/x
  3. Step 3: Cross multiply
    2,043.20x = 3,045.28 × 2,040
  4. Step 4: Simplify right side
    2,043.20x = 6,212,371.20
  5. Step 5: Solve for x
    x = 6,212,371.20/2,043.20
  6. Step 6: Final answer
    x = 3,040.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.