Home / 1,618.56-2,429.16-1,157.44

Finding the Fourth Proportional to 1,618.56, 2,429.16 and 1,157.44

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Solution

The fourth proportional to 1,618.56, 2,429.16 and 1,157.44 is: 1,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.56 : 2,429.16 = 1,157.44 : x
  2. Step 2: Convert to fraction form
    1,618.56/2,429.16 = 1,157.44/x
  3. Step 3: Cross multiply
    1,618.56x = 2,429.16 × 1,157.44
  4. Step 4: Simplify right side
    1,618.56x = 2,811,606.95
  5. Step 5: Solve for x
    x = 2,811,606.95/1,618.56
  6. Step 6: Final answer
    x = 1,737.10

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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.