Home / 2,083.48-3,125.78-1,043.20

Finding the Fourth Proportional to 2,083.48, 3,125.78 and 1,043.20

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Solution

The fourth proportional to 2,083.48, 3,125.78 and 1,043.20 is: 1,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.48 : 3,125.78 = 1,043.20 : x
  2. Step 2: Convert to fraction form
    2,083.48/3,125.78 = 1,043.20/x
  3. Step 3: Cross multiply
    2,083.48x = 3,125.78 × 1,043.20
  4. Step 4: Simplify right side
    2,083.48x = 3,260,813.70
  5. Step 5: Solve for x
    x = 3,260,813.70/2,083.48
  6. Step 6: Final answer
    x = 1,565.08

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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.