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Finding the Fourth Proportional to 1,884.79, 2,827.19 and 587.17

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Solution

The fourth proportional to 1,884.79, 2,827.19 and 587.17 is: 880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.79 : 2,827.19 = 587.17 : x
  2. Step 2: Convert to fraction form
    1,884.79/2,827.19 = 587.17/x
  3. Step 3: Cross multiply
    1,884.79x = 2,827.19 × 587.17
  4. Step 4: Simplify right side
    1,884.79x = 1,660,041.15
  5. Step 5: Solve for x
    x = 1,660,041.15/1,884.79
  6. Step 6: Final answer
    x = 880.76

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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.