Home / 3,746.12-5,620.69-1,897.75

Finding the Fourth Proportional to 3,746.12, 5,620.69 and 1,897.75

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Solution

The fourth proportional to 3,746.12, 5,620.69 and 1,897.75 is: 2,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.12 : 5,620.69 = 1,897.75 : x
  2. Step 2: Convert to fraction form
    3,746.12/5,620.69 = 1,897.75/x
  3. Step 3: Cross multiply
    3,746.12x = 5,620.69 × 1,897.75
  4. Step 4: Simplify right side
    3,746.12x = 10,666,642.23
  5. Step 5: Solve for x
    x = 10,666,642.23/3,746.12
  6. Step 6: Final answer
    x = 2,847.39

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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.