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Finding the Fourth Proportional to 1,322.07, 1,824.03 and 880.04

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Solution

The fourth proportional to 1,322.07, 1,824.03 and 880.04 is: 1,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322.07 : 1,824.03 = 880.04 : x
  2. Step 2: Convert to fraction form
    1,322.07/1,824.03 = 880.04/x
  3. Step 3: Cross multiply
    1,322.07x = 1,824.03 × 880.04
  4. Step 4: Simplify right side
    1,322.07x = 1,605,219.36
  5. Step 5: Solve for x
    x = 1,605,219.36/1,322.07
  6. Step 6: Final answer
    x = 1,214.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.