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Finding the Fourth Proportional to 3,603.58, 5,406.18 and 2,607.68

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Solution

The fourth proportional to 3,603.58, 5,406.18 and 2,607.68 is: 3,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.58 : 5,406.18 = 2,607.68 : x
  2. Step 2: Convert to fraction form
    3,603.58/5,406.18 = 2,607.68/x
  3. Step 3: Cross multiply
    3,603.58x = 5,406.18 × 2,607.68
  4. Step 4: Simplify right side
    3,603.58x = 14,097,587.46
  5. Step 5: Solve for x
    x = 14,097,587.46/3,603.58
  6. Step 6: Final answer
    x = 3,912.11

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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.