Home / 3,603.06-5,403.02-1,137.20

Finding the Fourth Proportional to 3,603.06, 5,403.02 and 1,137.20

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Solution

The fourth proportional to 3,603.06, 5,403.02 and 1,137.20 is: 1,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.06 : 5,403.02 = 1,137.20 : x
  2. Step 2: Convert to fraction form
    3,603.06/5,403.02 = 1,137.20/x
  3. Step 3: Cross multiply
    3,603.06x = 5,403.02 × 1,137.20
  4. Step 4: Simplify right side
    3,603.06x = 6,144,281.64
  5. Step 5: Solve for x
    x = 6,144,281.64/3,603.06
  6. Step 6: Final answer
    x = 1,705.30

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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.