Home / 1,817.82-2,508.90-1,031.76

Finding the Fourth Proportional to 1,817.82, 2,508.90 and 1,031.76

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Solution

The fourth proportional to 1,817.82, 2,508.90 and 1,031.76 is: 1,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.82 : 2,508.90 = 1,031.76 : x
  2. Step 2: Convert to fraction form
    1,817.82/2,508.90 = 1,031.76/x
  3. Step 3: Cross multiply
    1,817.82x = 2,508.90 × 1,031.76
  4. Step 4: Simplify right side
    1,817.82x = 2,588,582.66
  5. Step 5: Solve for x
    x = 2,588,582.66/1,817.82
  6. Step 6: Final answer
    x = 1,424.00

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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.