Home / 2,089.52-2,883.54-1,205.28

Finding the Fourth Proportional to 2,089.52, 2,883.54 and 1,205.28

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Solution

The fourth proportional to 2,089.52, 2,883.54 and 1,205.28 is: 1,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.52 : 2,883.54 = 1,205.28 : x
  2. Step 2: Convert to fraction form
    2,089.52/2,883.54 = 1,205.28/x
  3. Step 3: Cross multiply
    2,089.52x = 2,883.54 × 1,205.28
  4. Step 4: Simplify right side
    2,089.52x = 3,475,473.09
  5. Step 5: Solve for x
    x = 3,475,473.09/2,089.52
  6. Step 6: Final answer
    x = 1,663.29

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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.