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Finding the Fourth Proportional to 1,465.61, 2,022.27 and 876.02

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Solution

The fourth proportional to 1,465.61, 2,022.27 and 876.02 is: 1,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.61 : 2,022.27 = 876.02 : x
  2. Step 2: Convert to fraction form
    1,465.61/2,022.27 = 876.02/x
  3. Step 3: Cross multiply
    1,465.61x = 2,022.27 × 876.02
  4. Step 4: Simplify right side
    1,465.61x = 1,771,548.97
  5. Step 5: Solve for x
    x = 1,771,548.97/1,465.61
  6. Step 6: Final answer
    x = 1,208.75

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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.