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Finding the Fourth Proportional to 3,903.88, 5,854.90 and 1,437.36

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Solution

The fourth proportional to 3,903.88, 5,854.90 and 1,437.36 is: 2,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.88 : 5,854.90 = 1,437.36 : x
  2. Step 2: Convert to fraction form
    3,903.88/5,854.90 = 1,437.36/x
  3. Step 3: Cross multiply
    3,903.88x = 5,854.90 × 1,437.36
  4. Step 4: Simplify right side
    3,903.88x = 8,415,599.06
  5. Step 5: Solve for x
    x = 8,415,599.06/3,903.88
  6. Step 6: Final answer
    x = 2,155.70

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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.