Home / 3,289.29-4,935.47-1,973.51

Finding the Fourth Proportional to 3,289.29, 4,935.47 and 1,973.51

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Solution

The fourth proportional to 3,289.29, 4,935.47 and 1,973.51 is: 2,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.29 : 4,935.47 = 1,973.51 : x
  2. Step 2: Convert to fraction form
    3,289.29/4,935.47 = 1,973.51/x
  3. Step 3: Cross multiply
    3,289.29x = 4,935.47 × 1,973.51
  4. Step 4: Simplify right side
    3,289.29x = 9,740,179.66
  5. Step 5: Solve for x
    x = 9,740,179.66/3,289.29
  6. Step 6: Final answer
    x = 2,961.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.