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Finding the Fourth Proportional to 1,369.58, 2,052.54 and 503.06

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Solution

The fourth proportional to 1,369.58, 2,052.54 and 503.06 is: 753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.58 : 2,052.54 = 503.06 : x
  2. Step 2: Convert to fraction form
    1,369.58/2,052.54 = 503.06/x
  3. Step 3: Cross multiply
    1,369.58x = 2,052.54 × 503.06
  4. Step 4: Simplify right side
    1,369.58x = 1,032,550.77
  5. Step 5: Solve for x
    x = 1,032,550.77/1,369.58
  6. Step 6: Final answer
    x = 753.92

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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.