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Finding the Fourth Proportional to 3,071.37, 4,607.79 and 880.11

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Solution

The fourth proportional to 3,071.37, 4,607.79 and 880.11 is: 1,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.37 : 4,607.79 = 880.11 : x
  2. Step 2: Convert to fraction form
    3,071.37/4,607.79 = 880.11/x
  3. Step 3: Cross multiply
    3,071.37x = 4,607.79 × 880.11
  4. Step 4: Simplify right side
    3,071.37x = 4,055,362.06
  5. Step 5: Solve for x
    x = 4,055,362.06/3,071.37
  6. Step 6: Final answer
    x = 1,320.38

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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.