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Finding the Fourth Proportional to 2,339.19, 3,508.98 and 877.95

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Solution

The fourth proportional to 2,339.19, 3,508.98 and 877.95 is: 1,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.19 : 3,508.98 = 877.95 : x
  2. Step 2: Convert to fraction form
    2,339.19/3,508.98 = 877.95/x
  3. Step 3: Cross multiply
    2,339.19x = 3,508.98 × 877.95
  4. Step 4: Simplify right side
    2,339.19x = 3,080,708.99
  5. Step 5: Solve for x
    x = 3,080,708.99/2,339.19
  6. Step 6: Final answer
    x = 1,317.00

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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.