Home / 2,775.40-3,830.22-1,596.51

Finding the Fourth Proportional to 2,775.40, 3,830.22 and 1,596.51

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Solution

The fourth proportional to 2,775.40, 3,830.22 and 1,596.51 is: 2,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.40 : 3,830.22 = 1,596.51 : x
  2. Step 2: Convert to fraction form
    2,775.40/3,830.22 = 1,596.51/x
  3. Step 3: Cross multiply
    2,775.40x = 3,830.22 × 1,596.51
  4. Step 4: Simplify right side
    2,775.40x = 6,114,984.53
  5. Step 5: Solve for x
    x = 6,114,984.53/2,775.40
  6. Step 6: Final answer
    x = 2,203.28

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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.