Home / 2,045.56-2,821.71-1,259.44

Finding the Fourth Proportional to 2,045.56, 2,821.71 and 1,259.44

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Solution

The fourth proportional to 2,045.56, 2,821.71 and 1,259.44 is: 1,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.56 : 2,821.71 = 1,259.44 : x
  2. Step 2: Convert to fraction form
    2,045.56/2,821.71 = 1,259.44/x
  3. Step 3: Cross multiply
    2,045.56x = 2,821.71 × 1,259.44
  4. Step 4: Simplify right side
    2,045.56x = 3,553,774.44
  5. Step 5: Solve for x
    x = 3,553,774.44/2,045.56
  6. Step 6: Final answer
    x = 1,737.31

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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.