Home / 2,029.48-2,800.68-1,145.48

Finding the Fourth Proportional to 2,029.48, 2,800.68 and 1,145.48

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Solution

The fourth proportional to 2,029.48, 2,800.68 and 1,145.48 is: 1,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.48 : 2,800.68 = 1,145.48 : x
  2. Step 2: Convert to fraction form
    2,029.48/2,800.68 = 1,145.48/x
  3. Step 3: Cross multiply
    2,029.48x = 2,800.68 × 1,145.48
  4. Step 4: Simplify right side
    2,029.48x = 3,208,122.93
  5. Step 5: Solve for x
    x = 3,208,122.93/2,029.48
  6. Step 6: Final answer
    x = 1,580.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.