Home / 3,003.77-4,145.22-1,677.59

Finding the Fourth Proportional to 3,003.77, 4,145.22 and 1,677.59

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Solution

The fourth proportional to 3,003.77, 4,145.22 and 1,677.59 is: 2,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.77 : 4,145.22 = 1,677.59 : x
  2. Step 2: Convert to fraction form
    3,003.77/4,145.22 = 1,677.59/x
  3. Step 3: Cross multiply
    3,003.77x = 4,145.22 × 1,677.59
  4. Step 4: Simplify right side
    3,003.77x = 6,953,979.62
  5. Step 5: Solve for x
    x = 6,953,979.62/3,003.77
  6. Step 6: Final answer
    x = 2,315.08

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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.