Home / 1,736.13-2,603.79-503.21

Finding the Fourth Proportional to 1,736.13, 2,603.79 and 503.21

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Solution

The fourth proportional to 1,736.13, 2,603.79 and 503.21 is: 754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.13 : 2,603.79 = 503.21 : x
  2. Step 2: Convert to fraction form
    1,736.13/2,603.79 = 503.21/x
  3. Step 3: Cross multiply
    1,736.13x = 2,603.79 × 503.21
  4. Step 4: Simplify right side
    1,736.13x = 1,310,253.17
  5. Step 5: Solve for x
    x = 1,310,253.17/1,736.13
  6. Step 6: Final answer
    x = 754.70

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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.