Home / 2,045.54-2,821.68-1,259.03

Finding the Fourth Proportional to 2,045.54, 2,821.68 and 1,259.03

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Solution

The fourth proportional to 2,045.54, 2,821.68 and 1,259.03 is: 1,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.54 : 2,821.68 = 1,259.03 : x
  2. Step 2: Convert to fraction form
    2,045.54/2,821.68 = 1,259.03/x
  3. Step 3: Cross multiply
    2,045.54x = 2,821.68 × 1,259.03
  4. Step 4: Simplify right side
    2,045.54x = 3,552,579.77
  5. Step 5: Solve for x
    x = 3,552,579.77/2,045.54
  6. Step 6: Final answer
    x = 1,736.74

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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.