Home / 2,772.76-3,827.64-1,725.52

Finding the Fourth Proportional to 2,772.76, 3,827.64 and 1,725.52

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Solution

The fourth proportional to 2,772.76, 3,827.64 and 1,725.52 is: 2,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.76 : 3,827.64 = 1,725.52 : x
  2. Step 2: Convert to fraction form
    2,772.76/3,827.64 = 1,725.52/x
  3. Step 3: Cross multiply
    2,772.76x = 3,827.64 × 1,725.52
  4. Step 4: Simplify right side
    2,772.76x = 6,604,669.37
  5. Step 5: Solve for x
    x = 6,604,669.37/2,772.76
  6. Step 6: Final answer
    x = 2,381.98

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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.