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Finding the Fourth Proportional to 2,301, 3,175.98 and 1,555.08

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Solution

The fourth proportional to 2,301, 3,175.98 and 1,555.08 is: 2,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301 : 3,175.98 = 1,555.08 : x
  2. Step 2: Convert to fraction form
    2,301/3,175.98 = 1,555.08/x
  3. Step 3: Cross multiply
    2,301x = 3,175.98 × 1,555.08
  4. Step 4: Simplify right side
    2,301x = 4,938,902.98
  5. Step 5: Solve for x
    x = 4,938,902.98/2,301
  6. Step 6: Final answer
    x = 2,146.42

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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.