Home / 2,775.60-3,830.40-1,596.72

Finding the Fourth Proportional to 2,775.60, 3,830.40 and 1,596.72

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Solution

The fourth proportional to 2,775.60, 3,830.40 and 1,596.72 is: 2,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.60 : 3,830.40 = 1,596.72 : x
  2. Step 2: Convert to fraction form
    2,775.60/3,830.40 = 1,596.72/x
  3. Step 3: Cross multiply
    2,775.60x = 3,830.40 × 1,596.72
  4. Step 4: Simplify right side
    2,775.60x = 6,116,076.29
  5. Step 5: Solve for x
    x = 6,116,076.29/2,775.60
  6. Step 6: Final answer
    x = 2,203.52

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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.