Home / 2,045-2,822.06-1,248.32

Finding the Fourth Proportional to 2,045, 2,822.06 and 1,248.32

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Solution

The fourth proportional to 2,045, 2,822.06 and 1,248.32 is: 1,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045 : 2,822.06 = 1,248.32 : x
  2. Step 2: Convert to fraction form
    2,045/2,822.06 = 1,248.32/x
  3. Step 3: Cross multiply
    2,045x = 2,822.06 × 1,248.32
  4. Step 4: Simplify right side
    2,045x = 3,522,833.94
  5. Step 5: Solve for x
    x = 3,522,833.94/2,045
  6. Step 6: Final answer
    x = 1,722.66

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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.