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Finding the Fourth Proportional to 1,888.84, 2,835.90 and 1,344.52

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Solution

The fourth proportional to 1,888.84, 2,835.90 and 1,344.52 is: 2,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.84 : 2,835.90 = 1,344.52 : x
  2. Step 2: Convert to fraction form
    1,888.84/2,835.90 = 1,344.52/x
  3. Step 3: Cross multiply
    1,888.84x = 2,835.90 × 1,344.52
  4. Step 4: Simplify right side
    1,888.84x = 3,812,924.27
  5. Step 5: Solve for x
    x = 3,812,924.27/1,888.84
  6. Step 6: Final answer
    x = 2,018.66

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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.