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Finding the Fourth Proportional to 2,669.36, 4,004.03 and 937.58

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Solution

The fourth proportional to 2,669.36, 4,004.03 and 937.58 is: 1,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.36 : 4,004.03 = 937.58 : x
  2. Step 2: Convert to fraction form
    2,669.36/4,004.03 = 937.58/x
  3. Step 3: Cross multiply
    2,669.36x = 4,004.03 × 937.58
  4. Step 4: Simplify right side
    2,669.36x = 3,754,080.77
  5. Step 5: Solve for x
    x = 3,754,080.77/2,669.36
  6. Step 6: Final answer
    x = 1,406.36

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1.5x scale

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.