Home / 3,637.02-5,455.49-1,328.50

Finding the Fourth Proportional to 3,637.02, 5,455.49 and 1,328.50

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Solution

The fourth proportional to 3,637.02, 5,455.49 and 1,328.50 is: 1,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.02 : 5,455.49 = 1,328.50 : x
  2. Step 2: Convert to fraction form
    3,637.02/5,455.49 = 1,328.50/x
  3. Step 3: Cross multiply
    3,637.02x = 5,455.49 × 1,328.50
  4. Step 4: Simplify right side
    3,637.02x = 7,247,618.47
  5. Step 5: Solve for x
    x = 7,247,618.47/3,637.02
  6. Step 6: Final answer
    x = 1,992.74

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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.