Home / 3,637.17-5,455.94-1,328.49

Finding the Fourth Proportional to 3,637.17, 5,455.94 and 1,328.49

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Solution

The fourth proportional to 3,637.17, 5,455.94 and 1,328.49 is: 1,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.17 : 5,455.94 = 1,328.49 : x
  2. Step 2: Convert to fraction form
    3,637.17/5,455.94 = 1,328.49/x
  3. Step 3: Cross multiply
    3,637.17x = 5,455.94 × 1,328.49
  4. Step 4: Simplify right side
    3,637.17x = 7,248,155.09
  5. Step 5: Solve for x
    x = 7,248,155.09/3,637.17
  6. Step 6: Final answer
    x = 1,992.80

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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.