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Finding the Fourth Proportional to 2,038.62, 3,058.37 and 651.63

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Solution

The fourth proportional to 2,038.62, 3,058.37 and 651.63 is: 977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.62 : 3,058.37 = 651.63 : x
  2. Step 2: Convert to fraction form
    2,038.62/3,058.37 = 651.63/x
  3. Step 3: Cross multiply
    2,038.62x = 3,058.37 × 651.63
  4. Step 4: Simplify right side
    2,038.62x = 1,992,925.64
  5. Step 5: Solve for x
    x = 1,992,925.64/2,038.62
  6. Step 6: Final answer
    x = 977.59

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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.