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Finding the Fourth Proportional to 3,637.78, 5,019.03 and 2,797.00

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Solution

The fourth proportional to 3,637.78, 5,019.03 and 2,797.00 is: 3,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.78 : 5,019.03 = 2,797.00 : x
  2. Step 2: Convert to fraction form
    3,637.78/5,019.03 = 2,797.00/x
  3. Step 3: Cross multiply
    3,637.78x = 5,019.03 × 2,797.00
  4. Step 4: Simplify right side
    3,637.78x = 14,038,214.36
  5. Step 5: Solve for x
    x = 14,038,214.36/3,637.78
  6. Step 6: Final answer
    x = 3,859.01

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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.