Home / 1,238.49-1,705.44-1,060.14

Finding the Fourth Proportional to 1,238.49, 1,705.44 and 1,060.14

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Solution

The fourth proportional to 1,238.49, 1,705.44 and 1,060.14 is: 1,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238.49 : 1,705.44 = 1,060.14 : x
  2. Step 2: Convert to fraction form
    1,238.49/1,705.44 = 1,060.14/x
  3. Step 3: Cross multiply
    1,238.49x = 1,705.44 × 1,060.14
  4. Step 4: Simplify right side
    1,238.49x = 1,808,005.16
  5. Step 5: Solve for x
    x = 1,808,005.16/1,238.49
  6. Step 6: Final answer
    x = 1,459.85

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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.