Home / 1,260.62-1,741.40-1,199.10

Finding the Fourth Proportional to 1,260.62, 1,741.40 and 1,199.10

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Solution

The fourth proportional to 1,260.62, 1,741.40 and 1,199.10 is: 1,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.62 : 1,741.40 = 1,199.10 : x
  2. Step 2: Convert to fraction form
    1,260.62/1,741.40 = 1,199.10/x
  3. Step 3: Cross multiply
    1,260.62x = 1,741.40 × 1,199.10
  4. Step 4: Simplify right side
    1,260.62x = 2,088,106.74
  5. Step 5: Solve for x
    x = 2,088,106.74/1,260.62
  6. Step 6: Final answer
    x = 1,656.42

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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.