Home / 2,029.19-2,800.28-1,145.00

Finding the Fourth Proportional to 2,029.19, 2,800.28 and 1,145.00

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Solution

The fourth proportional to 2,029.19, 2,800.28 and 1,145.00 is: 1,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.19 : 2,800.28 = 1,145.00 : x
  2. Step 2: Convert to fraction form
    2,029.19/2,800.28 = 1,145.00/x
  3. Step 3: Cross multiply
    2,029.19x = 2,800.28 × 1,145.00
  4. Step 4: Simplify right side
    2,029.19x = 3,206,320.26
  5. Step 5: Solve for x
    x = 3,206,320.26/2,029.19
  6. Step 6: Final answer
    x = 1,580.10

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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.