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Finding the Fourth Proportional to 3,360.50, 4,637.49 and 1,888.50

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Solution

The fourth proportional to 3,360.50, 4,637.49 and 1,888.50 is: 2,606.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.50 : 4,637.49 = 1,888.50 : x
  2. Step 2: Convert to fraction form
    3,360.50/4,637.49 = 1,888.50/x
  3. Step 3: Cross multiply
    3,360.50x = 4,637.49 × 1,888.50
  4. Step 4: Simplify right side
    3,360.50x = 8,757,899.87
  5. Step 5: Solve for x
    x = 8,757,899.87/3,360.50
  6. Step 6: Final answer
    x = 2,606.13

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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.