Home / 2,775.24-3,827.70-1,726.92

Finding the Fourth Proportional to 2,775.24, 3,827.70 and 1,726.92

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Solution

The fourth proportional to 2,775.24, 3,827.70 and 1,726.92 is: 2,381.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.24 : 3,827.70 = 1,726.92 : x
  2. Step 2: Convert to fraction form
    2,775.24/3,827.70 = 1,726.92/x
  3. Step 3: Cross multiply
    2,775.24x = 3,827.70 × 1,726.92
  4. Step 4: Simplify right side
    2,775.24x = 6,610,131.68
  5. Step 5: Solve for x
    x = 6,610,131.68/2,775.24
  6. Step 6: Final answer
    x = 2,381.82

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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.