Home / 3,003.68-4,145.09-1,677.45

Finding the Fourth Proportional to 3,003.68, 4,145.09 and 1,677.45

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Solution

The fourth proportional to 3,003.68, 4,145.09 and 1,677.45 is: 2,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.68 : 4,145.09 = 1,677.45 : x
  2. Step 2: Convert to fraction form
    3,003.68/4,145.09 = 1,677.45/x
  3. Step 3: Cross multiply
    3,003.68x = 4,145.09 × 1,677.45
  4. Step 4: Simplify right side
    3,003.68x = 6,953,181.22
  5. Step 5: Solve for x
    x = 6,953,181.22/3,003.68
  6. Step 6: Final answer
    x = 2,314.89

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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.