Home / 1,601.40-2,394.60-1,186.50

Finding the Fourth Proportional to 1,601.40, 2,394.60 and 1,186.50

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Solution

The fourth proportional to 1,601.40, 2,394.60 and 1,186.50 is: 1,774.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.40 : 2,394.60 = 1,186.50 : x
  2. Step 2: Convert to fraction form
    1,601.40/2,394.60 = 1,186.50/x
  3. Step 3: Cross multiply
    1,601.40x = 2,394.60 × 1,186.50
  4. Step 4: Simplify right side
    1,601.40x = 2,841,192.90
  5. Step 5: Solve for x
    x = 2,841,192.90/1,601.40
  6. Step 6: Final answer
    x = 1,774.19

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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.