Home / 1,818.36-2,508.98-1,072.35

Finding the Fourth Proportional to 1,818.36, 2,508.98 and 1,072.35

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Solution

The fourth proportional to 1,818.36, 2,508.98 and 1,072.35 is: 1,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.36 : 2,508.98 = 1,072.35 : x
  2. Step 2: Convert to fraction form
    1,818.36/2,508.98 = 1,072.35/x
  3. Step 3: Cross multiply
    1,818.36x = 2,508.98 × 1,072.35
  4. Step 4: Simplify right side
    1,818.36x = 2,690,499.34
  5. Step 5: Solve for x
    x = 2,690,499.34/1,818.36
  6. Step 6: Final answer
    x = 1,479.63

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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.