Home / 3,677.34-5,074.80-1,998.76

Finding the Fourth Proportional to 3,677.34, 5,074.80 and 1,998.76

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Solution

The fourth proportional to 3,677.34, 5,074.80 and 1,998.76 is: 2,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.34 : 5,074.80 = 1,998.76 : x
  2. Step 2: Convert to fraction form
    3,677.34/5,074.80 = 1,998.76/x
  3. Step 3: Cross multiply
    3,677.34x = 5,074.80 × 1,998.76
  4. Step 4: Simplify right side
    3,677.34x = 10,143,307.25
  5. Step 5: Solve for x
    x = 10,143,307.25/3,677.34
  6. Step 6: Final answer
    x = 2,758.33

Related Problems

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.