Home / 2,637.09-3,957.48-1,945.55

Finding the Fourth Proportional to 2,637.09, 3,957.48 and 1,945.55

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Solution

The fourth proportional to 2,637.09, 3,957.48 and 1,945.55 is: 2,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.09 : 3,957.48 = 1,945.55 : x
  2. Step 2: Convert to fraction form
    2,637.09/3,957.48 = 1,945.55/x
  3. Step 3: Cross multiply
    2,637.09x = 3,957.48 × 1,945.55
  4. Step 4: Simplify right side
    2,637.09x = 7,699,455.43
  5. Step 5: Solve for x
    x = 7,699,455.43/2,637.09
  6. Step 6: Final answer
    x = 2,919.68

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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.