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Finding the Fourth Proportional to 1,937.88, 2,669.36 and 1,803.77

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Solution

The fourth proportional to 1,937.88, 2,669.36 and 1,803.77 is: 2,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.88 : 2,669.36 = 1,803.77 : x
  2. Step 2: Convert to fraction form
    1,937.88/2,669.36 = 1,803.77/x
  3. Step 3: Cross multiply
    1,937.88x = 2,669.36 × 1,803.77
  4. Step 4: Simplify right side
    1,937.88x = 4,814,911.49
  5. Step 5: Solve for x
    x = 4,814,911.49/1,937.88
  6. Step 6: Final answer
    x = 2,484.63

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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.