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Finding the Fourth Proportional to 3,071.26, 4,607.16 and 880.06

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Solution

The fourth proportional to 3,071.26, 4,607.16 and 880.06 is: 1,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.26 : 4,607.16 = 880.06 : x
  2. Step 2: Convert to fraction form
    3,071.26/4,607.16 = 880.06/x
  3. Step 3: Cross multiply
    3,071.26x = 4,607.16 × 880.06
  4. Step 4: Simplify right side
    3,071.26x = 4,054,577.23
  5. Step 5: Solve for x
    x = 4,054,577.23/3,071.26
  6. Step 6: Final answer
    x = 1,320.17

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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.