Home / 2,851.19-3,935.01-1,672.37

Finding the Fourth Proportional to 2,851.19, 3,935.01 and 1,672.37

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Solution

The fourth proportional to 2,851.19, 3,935.01 and 1,672.37 is: 2,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.19 : 3,935.01 = 1,672.37 : x
  2. Step 2: Convert to fraction form
    2,851.19/3,935.01 = 1,672.37/x
  3. Step 3: Cross multiply
    2,851.19x = 3,935.01 × 1,672.37
  4. Step 4: Simplify right side
    2,851.19x = 6,580,792.67
  5. Step 5: Solve for x
    x = 6,580,792.67/2,851.19
  6. Step 6: Final answer
    x = 2,308.09

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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.