Home / 3,746.52-5,620.58-1,438

Finding the Fourth Proportional to 3,746.52, 5,620.58 and 1,438

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Solution

The fourth proportional to 3,746.52, 5,620.58 and 1,438 is: 2,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.52 : 5,620.58 = 1,438 : x
  2. Step 2: Convert to fraction form
    3,746.52/5,620.58 = 1,438/x
  3. Step 3: Cross multiply
    3,746.52x = 5,620.58 × 1,438
  4. Step 4: Simplify right side
    3,746.52x = 8,082,394.04
  5. Step 5: Solve for x
    x = 8,082,394.04/3,746.52
  6. Step 6: Final answer
    x = 2,157.31

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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.