Home / 1,618.08-2,422.10-1,307.34

Finding the Fourth Proportional to 1,618.08, 2,422.10 and 1,307.34

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Solution

The fourth proportional to 1,618.08, 2,422.10 and 1,307.34 is: 1,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.08 : 2,422.10 = 1,307.34 : x
  2. Step 2: Convert to fraction form
    1,618.08/2,422.10 = 1,307.34/x
  3. Step 3: Cross multiply
    1,618.08x = 2,422.10 × 1,307.34
  4. Step 4: Simplify right side
    1,618.08x = 3,166,511.48
  5. Step 5: Solve for x
    x = 3,166,511.48/1,618.08
  6. Step 6: Final answer
    x = 1,956.96

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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.