Home / 2,029.26-2,800.16-1,145.16

Finding the Fourth Proportional to 2,029.26, 2,800.16 and 1,145.16

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Solution

The fourth proportional to 2,029.26, 2,800.16 and 1,145.16 is: 1,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.26 : 2,800.16 = 1,145.16 : x
  2. Step 2: Convert to fraction form
    2,029.26/2,800.16 = 1,145.16/x
  3. Step 3: Cross multiply
    2,029.26x = 2,800.16 × 1,145.16
  4. Step 4: Simplify right side
    2,029.26x = 3,206,631.23
  5. Step 5: Solve for x
    x = 3,206,631.23/2,029.26
  6. Step 6: Final answer
    x = 1,580.20

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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.